Many Ram 6.4 Hemi drivers have faced issues with poor exhaust systems that create excessive drone or rust out quickly. The right best exhaust for 6.4 hemi ram can improve sound without annoying cabin noise and last for years without corrosion. A cheap setup might sound good for a short time but wears out the mufflers and pipes or causes fitment problems down the road.
The main factors separating a good exhaust system for this engine start with the material. Stainless steel with at least 304 grade resists rust better than aluminized steel, which usually lasts only a few years in wet climates. Pipe diameter matters too; 3 to 4 inches works well for balancing power gains and drivability.
Finally, a precision fit designed specifically for the 6.4 liter Hemi means no cutting or modifications, which keeps installation simple and prevents leaks.
Need a Quick Check?
| Image | Product | Price |
|---|---|---|
Our Top Picks 1 ![]() | BD Diesel Manifold 6.4L RAM | Check Price |
Our Top Picks 2 ![]() | MagnaFlow Muffler 19493 | Check Price |
Our Top Picks 3 ![]() | Flowmaster FlowFX Cat-Back | Check Price |
Our Selected Top 12 Exhaust for 6.4 Hemi Ram Worth Your Money
This list features carefully chosen exhaust systems designed specifically for 6.4 Hemi Ram trucks. Each review explains how the exhaust performs, highlights who might benefit most from it, and outlines its main advantages and disadvantages to help readers make informed decisions.
1. BD Diesel Exhaust Manifold Kit RAM 2500-5500 6.4L HEMI
Handling the intense heat and stress of a 6.4L HEMI Ram’s exhaust system requires reliable parts that last. Perfect for anyone with RAM 2500-5500 trucks who wants durable parts, this exhaust manifold kit is known for resisting warping and cracking even with heavy use.
Installation comes with all the necessary bolts, nuts, spacers, and gaskets, so you won’t have to hunt for extra parts. Extended bolts and spacers are designed to reduce stress on fasteners, which means less worry about loosening or damage over time.
The separate mounting location for heat shields helps manage heat more effectively on daily drives and heavy hauling jobs.
Crafted from high-silicon ductile iron, the manifold holds up well to the high temperatures under the hood. Precision-machined bolt surfaces offer a tight, secure fit that reduces leaks. The most praised feature is its consistent wall thickness, preventing warping, a key for long-term durability.
Some note that it’s sold by side, so you’ll need to order the correct one for your RAM’s configuration.
The kit’s most noted strength is its durability from consistent wall thickness, which greatly reduces warping under extreme engine heat. However, a common downside is having to purchase each side separately, which may be inconvenient or add to the overall cost.
Anyone needing a heavy-duty replacement manifold for long-term use on their 6.4L HEMI Ram will appreciate this kit’s solid build and reliability. Those who want a single-purchase set for both sides or an easier installation may want to explore other options.
Pros
- Durable construction resists warping and cracking
- Complete kit includes all necessary mounting hardware
- Heat shield designed to reduce fastener stress
- Precision-machined bolts ensure secure fit
Cons
- Must buy driver and passenger sides separately
- Some may find installation requires patience
| Specification | Details |
|---|---|
| Brand Name | BD DIESEL |
| Manufacturer Part Number | 1041454 |
| Material | High-silicon ductile iron |
| Fitment | RAM 2500-5500 6.4L HEMI |
| Sold | Individually, driver or passenger side |
2. MagnaFlow Exhaust Muffler Kit 19493
MagnaFlow’s muffler kit 19493 delivers the resonant, throaty sound it’s known for while fitting perfectly on 2014-2026 Ram 2500 and 3500 models with the 6.4L Hemi engine. Designed for a direct-fit installation, it’s ideal for those wanting an easy upgrade without fussing over fitment.
Installation is straightforward thanks to the precise 3D scanning used to match OEM fit. The kit includes all necessary hardware, making daily setup quick.
The muffler’s straight-through perforated core with two-stage acoustic packing keeps exhaust flowing well and helps maintain that classic MagnaFlow sound you’re after without introducing drone or excessive noise.
The exhaust muffler does a solid job combining sound quality with performance, keeping the velocity of exhaust flow untouched. Built tough with a construction warranty backing it up, users appreciate how well it matches OEM standards. Some mention the sound could be louder, but most enjoy the balance between deep tone and drivability.
The muffler kit is praised for striking a nice balance between sound tone and performance, fitting very closely to OEM specifications. Common complaints revolve around the sound level not being aggressive enough for those wanting a louder exhaust note.
Anyone wanting a straightforward, reliable sound upgrade with minimal fuss will appreciate this kit. Those looking for a very loud or highly aggressive exhaust tone might want to explore alternatives.
Pros
- Resonant, throaty MagnaFlow sound
- Direct-fit design for easy installation
- Maintains optimal exhaust flow
- Includes all necessary hardware
Cons
- Sound may not be loud enough for some
- Limited to 2014-2026 Ram 6.4L models
| Specification | Details |
|---|---|
| Model Number | 19493 |
| Fits | 2014-2026 Ram 2500 & 3500 6.4L |
| Type | Automotive Performance Exhaust Muffler |
| Included Components | Hardware Kit |
| Warranty | Limited Lifetime Construction Warranty |
3. Flowmaster FlowFX Cat-Back Exhaust System
Drivers looking to upgrade their 6.4 HEMI Ram’s exhaust for more power and a deeper sound will appreciate this system. It’s especially suited for those who want noticeable performance gains without complicated installation.
The biggest strength lies in its balance of improved horsepower and an aggressive yet manageable exhaust note.
Installation is straightforward with hardware and hangers that fit in the factory locations, making the swap relatively quick. The 3.50-inch main tubing flowing into dual 3.00-inch pipes helps with better exhaust flow, so you can enjoy a crisper sound throughout your drives. The black stainless steel 4.00-inch tips give a subtle but customized look that matches the truck’s rugged style day to day.
Power improvements are real, with gains up to 18 hp and 16 lb-ft of torque at the rear wheels, meaning the truck feels stronger when accelerating or towing. The 16-gauge 409 stainless steel offers solid durability, resisting rust and damage over time.
Most praise highlights the aggressive but not overwhelming sound from the Flow FX muffler, while some mention the noise might be too loud for quiet neighborhood driving.
The Flow FX muffler produces an aggressive but not overwhelming tone that many users find engaging, making the truck sound powerful without feeling obnoxious. Common criticism comes from individuals who prefer a quieter ride in residential areas, noting the sound can carry more than expected.
Those wanting an easy installation, solid sound, and decent power lift will often be happy with this system. Drivers prioritizing a quieter exhaust or requiring lighter components might explore other options more suited to those preferences.
Pros
- Easy installation with factory-style hangers
- Durable 16-gauge 409 stainless steel tubing
- Strong performance gains in horsepower and torque
- Aggressive yet controllable exhaust sound
Cons
- Exhaust sound might be too loud for some
- Weight is on the heavier side at over 60 pounds
| Specification | Details |
|---|---|
| Tubing Size | 3.50-inch to dual 3.00-inch |
| Material | 16-gauge 409 stainless steel |
| Tips | 4.00-inch black stainless steel |
| Model Number | 718130 |
| Power Gains | 18 hp and 16 lb-ft torque at rear wheels |
| Weight | 61.8 pounds |
4. Flowmaster FlowFX Cat-Back Exhaust Kit RAM 2500-3500
Flowmaster’s FlowFX Cat-Back Exhaust Kit stands out for giving a noticeable power bump without overwhelming noise. Ideal for RAM 2500-3500 drivers looking for a solid performance upgrade that maintains a respectable sound level, it balances strength with durability better than many other exhaust options.
Installation is straightforward thanks to factory styled hangers and complete hardware that fit right where the stock exhaust sat. The 3.50-inch mandrel bent stainless steel tubing helps keep exhaust flow steady day-to-day, and the 5.00-inch black ceramic coated tip adds a subtle touch of style without being flashy.
It complements daily driving with a deep, moderate tone that’s not too loud for routine use.
The muffler helps extract up to 13 hp and 15 lb-ft over stock, focusing on performance without sacrificing a refined sound. Made from 16-gauge 409 stainless steel, it feels solid and built to last. Praise often mentions the durable build and the balance between power and tone, while complaints sometimes point to the exhaust tone being more moderate than aggressive compared to other setups.
The exhaust often receives praise for its strong build quality and the solid increase in horsepower and torque without a noisy soundtrack. Some users note the moderate tone might feel too tame if looking for a louder, more aggressive exhaust presence.
Those wanting a dependable exhaust that adds power but stays quiet enough for everyday driving will appreciate this kit. It may not satisfy drivers wanting a loud, aggressive sound that demands attention on the road.
Pros
- Up to 13 hp and 15 lb-ft gain over stock
- Durable 16-gauge 409 stainless steel tubing
- Complete hardware and factory-style hangers included
- Deep, moderate tone from Flow FX muffler
Cons
- Tone is moderate, not very aggressive
- Single side exit may not suit all preferences
| Specification | Details |
|---|---|
| Brand Name | Flowmaster |
| Manufacturer Part Number | 717930 |
| Tubing Diameter | 3.50-inch mandrel bent |
| Material | 16-gauge 409 stainless steel |
| Tip Size | 5.00-inch black ceramic coated |
| Model Number | 717930 |
5. BD Diesel Exhaust Manifold Kit Dodge/Ram 1500-3500 5.7L Hemi
BD Diesel Exhaust Manifold Kit for Dodge/Ram 1500-3500 5.7L Hemi offers solid construction and reliable fitment for those wanting durable exhaust components. It’s best suited for users seeking sturdy material quality and straightforward installation, especially on models before 2019 that avoid DT body style incompatibility.
Installing the manifold kit involves swapping the old manifolds with the provided high-silicon ductile iron components, along with the longer fasteners and spacers included to ease fitment. Gaskets and all necessary fasteners come in the kit, making set-up more convenient without needing extra parts. Painted exterior adds a layer of protection, keeping daily driving free from premature rust concerns.
The kit holds up well to daily driving conditions, thanks to its high-silicon ductile iron build designed for endurance under heat and stress. The most praised quality is its toughness and precision fit on the specified models, although some might find it doesn’t fit newer DT body styles. Its solid build increases exhaust flow efficiency, but limited compatibility restricts use on recent trucks.
The kit receives strong praise for its sturdy build and complete hardware, which make installation easy and ensure it holds up well with daily use. The primary drawback is its incompatibility with newer 2019 and later DT style models, limiting who can benefit from it.
The kit suits anyone running pre-2019 5.7L Hemi Dodge or Ram trucks looking for a tough and reliable manifold. Those with newer body styles or seeking lighter options might want to consider other products.
Pros
- Durable high-silicon ductile iron construction
- Includes all gaskets and fasteners needed
- Painted exterior for rust resistance
- Longer fasteners with spacers for easier installation
Cons
- Not compatible with 2019+ DT body style trucks
- Heavier than some aftermarket alternatives
| Specification | Details |
|---|---|
| Manufacturer | BD Diesel |
| Model | Exhaust Manifold Kit |
| Material | High-Silicon Ductile Iron |
| Weight | 14 pounds |
| Dimensions | 27 x 6 x 6 inches |
| Fitment Note | Does Not Fit 2019+ DT Body Style |
6. Exhaust Manifold Kit Passenger Side
Feels solid right away, fitting perfectly on Ram trucks with 5.7L or 6.4L HEMI V8 engines from 2013 to 2024 models. Best suited for those needing a reliable, durable replacement manifold that tackles high heat without cracking. Its biggest strength is handling the tough thermal conditions without compromising longevity.
Installation is straightforward for anyone familiar with exhaust work; it matches OEM specifications replacing part #674-685 exactly. The one-piece cast design keeps things simple, making maintenance easier down the road.
Daily driving doesn’t bring any issues with fit or sound, as it integrates well with the factory exhaust setup without extra tweaks.
Perfoms consistently across long drives thanks to the high-silicon ductile iron material that stands up to repeated heat cycles. Solid build quality gives confidence against cracking, which is a common failure point in original manifolds. Reviews show praise for durability, while a few mention that the weight of 5.6 pounds adds bulk compared to aftermarket lighter parts.
Durability stands out as the main benefit with the high-silicon ductile iron resisting cracks during thermal cycling. Some find the weight a drawback compared to lighter aftermarket options, which may affect overall vehicle weight slightly.
Those running compatible Ram trucks looking for a sturdy, OEM fit replacement will appreciate this manifold. Drivers wanting lighter setups or wider compatibility should consider alternative exhaust components.
Pros
- Perfect fit for specified Ram models and engines
- Handles high temperatures without cracking
- One-piece cast design improves durability
- Exact OEM replacement part
Cons
- Heavier than some aftermarket exhaust manifolds
- Fit limited to specific Ram models and years
| Specification | Details |
|---|---|
| Manufacturer | HFPFTS |
| Model | HFEM-0005 |
| Item Weight | 5.6 pounds |
| Material | High-Silicon Ductile Iron |
| OEM Part Number | 674-685 |
| Vehicle Fitment | Ram 1500 (2013-2018), Ram 1500 Classic (2019-2024), Ram 2500 (2014-2021), Ram 3500 (2013-2020) |
7. Exhaust Manifold Kit
This Exhaust Manifold Kit is perfect for Dodge Ram trucks with 6.4 Hemi engines, offering outstanding durability thanks to its high-silicon ductile iron construction. It fits several Ram models from 2009 to 2022, although not the 2019+ Ram 1500 DT body style, making it especially suited for those needing a reliable manifold replacement.
Installation is straightforward for anyone familiar with engine components. The painted finish helps protect it from rust, and the material handles heat from daily driving without warping or cracking.
Maintenance is minimal since the high-silicon ductile iron resists thermal fatigue well. The kit fits several Ram models, making compatibility easier for many truck drivers.
Performance aligns with expectations for a durable manifold, it channels exhaust gases efficiently and resists damage under heat stress. The build quality is solid, offering long-term stability under tough conditions. A common praise focuses on its strong, heat-resistant material, while some mention it does not fit the newer 2019+ Ram 1500 DT models as a drawback.
Strong heat resistance and long-term stability are consistent positives, with many users highlighting the material’s ability to prevent cracking and warping. Some express frustration about its incompatibility with newer Ram 1500 DT models, limiting its use for those trucks.
Those owning Ram models listed in the fitment will appreciate this manifold’s durability and fit. Anyone with a 2019 or newer Ram 1500 DT should consider alternative options to ensure proper compatibility and performance.
Pros
- Durable high-silicon ductile iron construction
- Painted finish resists rust
- Compatible with multiple Ram models
- Handles heat without warping or cracking
Cons
- Does not fit 2019+ Ram 1500 DT body style
- Relatively heavy at 34.2 pounds
| Specification | Details |
|---|---|
| Manufacturer | HFPFTS |
| Model | HFEM-0001 |
| Material | High-silicon ductile iron |
| Weight | 34.2 pounds |
| Fitment | 2009-2022 Dodge Ram 1500 Classic DS, 2009-2018 Ram 2500 DJ, 2013-2018 Ram 3500 D2, 2011-2015 Ram 3500 DC |
| Exterior | Painted |
8. Dual Exhaust Muffler Y-Pipe Kit Ram 1500 5.7L Hemi
Constructed from stainless steel, this dual exhaust muffler Y-pipe kit fits Dodge Ram 1500 5.7L Hemi trucks with a dual exhaust system. It suits drivers looking for a durable, direct-fit replacement to improve exhaust flow and maintain factory compatibility.
Its key strength lies in the Y-pipe design that supports smoother exhaust gas flow compared to restrictive factory pipes.
Installation is straightforward thanks to the direct-fit design, tailored specifically for 2009-2019 Ram 1500 Hemi 5.7L models, excluding post-2019.5 new body styles. Daily driving benefits include less back pressure and a more consistent exhaust stream.
Stainless steel construction handles heat and road exposure well, keeping maintenance low and corrosion minimal over time.
Performance benefits from the 3-inch ID and 2.25-inch OD T304 stainless steel piping, which helps maintain exhaust efficiency. Build quality is strong, designed to resist corrosion and heat damage. Reviews praise how well it fits and improves flow, while a noted drawback is the incompatibility with certain newer model Ram trucks.
The strongest praise highlights the improved exhaust flow aiding engine efficiency and the direct-fit design that makes installation straightforward. Common complaints focus on limited vehicle compatibility, especially with newer body styles that this kit does not support. The stainless steel construction stands out in durability across various climates and conditions.
Drivers with 2009 to 2019 classic model Ram 1500 trucks featuring a 5.7L Hemi dual exhaust system will find this Y-pipe a solid match. Those with the 2019.5 and later body styles or single exhaust setups should consider alternatives designed for newer models or different configurations.
Pros
- Durable stainless steel construction
- Direct-fit for easy installation
- Improved exhaust gas flow with Y-pipe
- Resistant to corrosion and heat
Cons
- Not compatible with 2019.5+ new body style
- Limited to dual exhaust system models only
| Specification | Details |
|---|---|
| Material | T304 Stainless Steel Pipe |
| Pipe Dimensions | ID 3”, OD 2.25” |
| Compatibility | 2009-2019 Dodge Ram 1500 Hemi 5.7L (2019 Classic Model Only) |
| System Type | Dual Exhaust Direct-Fit Kit |
| Manufacturer | JY PERFORMANCE |
9. BORLA Cat-Back Exhaust System Ram 2500-3500
Known for its durable T-304 stainless steel build and easy bolt-on installation, the BORLA Cat-Back Exhaust System for Ram 2500-3500 is a top choice. Perfect for 6.4 Hemi truck drivers aiming to upgrade their exhaust without hassle, it combines quality materials with a no drone guarantee.
Installation requires no cutting or special modifications thanks to the bolt-on design. The welded construction means it holds up well over time with no worries about leaks. Daily driving benefits from a solid build that keeps noise levels manageable while still delivering a louder, deeper exhaust note that many favor for a truck of this size.
Performance-wise, it delivers a noticeable tone improvement without the annoying drone some exhausts create. The stainless steel keeps corrosion at bay, reinforcing its reputation for longevity. Many users praise how the system naturally improves the truck’s sound, though some feel the 30-day warranty is too short for such an investment.
The exhaust system receives high marks for producing a deep, natural sound without constant droning on the highway. A noted drawback is the relatively short 30-day warranty that may concern those wanting long-term coverage for their investment. Its solid stainless steel construction provides confidence in day-to-day reliability.
Those who want a reliable, clean upgrade in both sound and durability will appreciate this system. Drivers seeking louder, more aggressive exhaust notes might look toward other options. It fits well for individuals prioritizing quality materials and a simple retrofit over a dramatic sound change.
Pros
- Made in USA with T-304 stainless steel
- Bolt-on installation no cutting required
- All welded for long-term durability
- No drone guarantee for driving comfort
Cons
- Only a 30-day warranty period
- Some may expect louder exhaust tones
| Specification | Details |
|---|---|
| Brand Name | Borla |
| Make | Ram 2500-3500 |
| Material | T-304 Stainless Steel |
| Installation | Bolt On |
| Manufacturer Warranty | 30 Days |
10. Flowmaster Outlaw Direct Fit Muffler
Choosing a muffler that matches the exact factory hanger locations is key for a clean fit, and this one does just that with a direct-fit design. Great for those wanting that deep, aggressive exhaust tone without complicated installation.
Its standout feature is the race-proven sound and fit precision that avoids extra modifications.
Installing the muffler takes little time since it fits directly onto the existing hanger spots. The 409 stainless steel construction means it’s built to last and stand up well to daily wear and tear, resisting rust.
Using the same hanger locations as stock reduces hassle and keeps the underbody looking neat. The setup supports strong exhaust flow while giving your Ram a notable, assertive sound.
Sound quality impresses with a deep and aggressive exhaust tone that stays true to a race-inspired design. The mandrel-bent piping helps maintain optimal exhaust flow, contributing to better performance feel.
Construction with 409 stainless steel means the muffler holds up well over time. The biggest praise focuses on its easy, direct fit and bold tone. Some mention the sound can be louder than expected.
The muffler is praised for its direct fit that uses stock hanger spots, making installation straightforward and clean. Its bold, race-proven deep exhaust note stands out most, though the sound level might be too loud for some preferences.
Perfect for Ram drivers looking for an aggressive tone without complicated installation. Those preferring a quieter ride or a full exhaust system might want to explore other options.
Pros
- Fits directly using factory hanger locations
- Made from durable 409 stainless steel
- Produces deep, aggressive exhaust tone
- Quick and easy installation process
Cons
- Exhaust sound can be louder than expected
- Comes as a single muffler, no extra hardware included
| Specification | Details |
|---|---|
| Brand Name | Flowmaster |
| Model Number | 817846 |
| Material | Mandrel-bent 409 Stainless Steel |
| Installation | Uses Factory Hanger Locations |
| Included Components | Flowmaster Direct-Fit Muffler 409S – Outlaw |
11. Flowmaster FlowFX Direct Fit Muffler
Handling the exhaust noise and fitment on a 6.4 Hemi Ram can be tricky, but the Flowmaster FlowFX Direct Fit Muffler is designed specifically to make the process straightforward. It fits directly on your Dodge Ram 1500, offering a moderate to aggressive tone that suits anyone wanting a noticeable but not overwhelming sound.
Installation is quick and easy since it’s a direct-fit system, which means it matches your truck’s existing setup without extra modifications. The muffler’s programming balances sound well for daily driving, so it’s loud enough to enjoy but not obnoxious. It holds up to regular wear without needing special care or cleaning routines beyond standard checks.
Performance-wise, the muffler delivers on its promise with a clear, defined exhaust tone that leans toward aggressive without being harsh. It’s made out of 409 stainless steel, meaning it’s built to last and resist corrosion. Most praise centers on the solid fit and sound quality, while some note that the tone might be a bit louder than expected.
Many appreciate how well the muffler matches the truck’s exhaust tone expectations and how straightforward installation is thanks to the direct-fit design. The most common drawback is that the tone leans a bit louder than some users prefer, making it better suited for those wanting a more assertive sound.
People seeking a strong but not overwhelming exhaust note and easy installation will find this muffler fits well. Those looking for a quieter or more subtle exhaust sound might want to consider other options to meet their needs better.
Pros
- Direct-fit system for easy installation
- Moderate to aggressive exhaust tone
- Made from 409 stainless steel for durability
- No special cleaning or maintenance required
Cons
- Exhaust tone may be louder than some expect
- Only one muffler included in the package
| Specification | Details |
|---|---|
| Brand Name | Flowmaster |
| Manufacturer Part Number | 717835 |
| Model Number | 717835 |
| Included Components | Flowmaster 717835 Direct-fit Muffler 409S – FlowFX – Moderate/Aggressive |
| Item Type Name | Flowmaster 717835 Direct-fit Muffler 409S – FlowFX – Moderate/Aggressive |
| Number of Items | 1 |
12. Flowmaster Outlaw Direct Fit Muffler
Direct bolt-on installation makes this muffler an ideal quick upgrade for Ram 6.4 Hemi drivers. Its deep and aggressive sound stands out as the biggest strength, delivering that race-inspired tone suited for those who want noticeable power without complicated setups.
Setup is straightforward since it uses factory hanger locations, meaning you won’t spend hours fiddling with parts. Installation doesn’t require special tools or modifications, so day-to-day use feels just like the factory system but with a louder and more powerful presence. The stainless steel construction also means it’s durable enough for regular driving.
Performance benefits come from being dyno tuned for maximum output, enhancing your engine’s sound and flow. The muffler’s stainless steel build holds up well, resisting rust and wear.
Most praise focuses on the aggressive sound and easy installation, while the main drawback is that the louder tone might be too much for some looking for a quieter ride.
The muffler receives strong praise for its powerful and aggressive sound combined with how easy it is to install using factory hangers. Common complaints revolve around the loudness being too much for those who prefer a more subtle exhaust tone during regular drives.
Those wanting to boost their Ram 6.4 Hemi’s sound with a straightforward install and durable build will be satisfied. Drivers looking for quieter or less attention-grabbing options might want to explore other mufflers.
Pros
- Direct bolt-on, uses factory hangers
- Deep, aggressive exhaust note
- Stainless steel resists corrosion
- Dyno tuned for better performance
Cons
- Sound may be too loud for daily quiet driving
- Warranty details require checking with manufacturer
| Specification | Details |
|---|---|
| Brand Name | Flowmaster |
| Manufacturer Part Number | 817633 |
| Model Number | 817633 |
| Included Components | Flowmaster 817633 Outlaw Muffler Kit |
| Unit Count | 1 Count |
| Manufacturer Warranty Description | Check with the manufacturer |
Best Exhausts for 6.4 Hemi Ram Comparison Table
| Product | Fitment | Material | Weight | Included Components |
|---|---|---|---|---|
| BD Diesel Manifold 6.4L RAM | 6.4L RAM | – | – | – |
| MagnaFlow Muffler 19493 | 2014-2026 RAM 6.4L | – | – | Hardware Kit |
| Flowmaster FlowFX Cat-Back | – | Stainless Steel | 61.8 pounds | Cat-Back Exhaust System |
| Flowmaster FlowFX RAM Exhaust | – | Stainless Steel | – | Cat-Back Exhaust System |
| BD Diesel Manifold 5.7L RAM | 5.7L RAM | Painted | 14 pounds | – |
| Passenger Side Manifold Kit | – | Cast Iron | 5.6 pounds | – |
| Generic Exhaust Manifold Kit | – | Painted | 34.2 pounds | – |
| Dual Muffler Y-Pipe RAM 5.7L | 5.7L RAM | Stainless Steel | – | Dual Exhaust System |
| BORLA Cat-Back RAM 2500-3500 | – | – | – | Per Item Description |
| Flowmaster Outlaw Muffler | – | 409S Steel | – | Direct-Fit Muffler |
| Flowmaster FlowFX Muffler | Dodge Ram 1500 | 409S Steel | – | Direct-Fit Muffler |
| Flowmaster Outlaw Muffler Alt | – | – | – | Muffler Kit |
- Fitment6.4L RAM
- Material–
- Weight–
- Included Components–
- Fitment2014-2026 RAM 6.4L
- Material–
- Weight–
- Included ComponentsHardware Kit
- Fitment–
- MaterialStainless Steel
- Weight61.8 pounds
- Included ComponentsCat-Back Exhaust System
- Fitment–
- MaterialStainless Steel
- Weight–
- Included ComponentsCat-Back Exhaust System
- Fitment5.7L RAM
- MaterialPainted
- Weight14 pounds
- Included Components–
- Fitment–
- MaterialCast Iron
- Weight5.6 pounds
- Included Components–
- Fitment–
- MaterialPainted
- Weight34.2 pounds
- Included Components–
- Fitment5.7L RAM
- MaterialStainless Steel
- Weight–
- Included ComponentsDual Exhaust System
- Fitment–
- Material–
- Weight–
- Included ComponentsPer Item Description
- Fitment–
- Material409S Steel
- Weight–
- Included ComponentsDirect-Fit Muffler
- FitmentDodge Ram 1500
- Material409S Steel
- Weight–
- Included ComponentsDirect-Fit Muffler
- Fitment–
- Material–
- Weight–
- Included ComponentsMuffler Kit
How to Choose the Best Exhaust for 6.4 Hemi Ram
Choosing the right exhaust for a 6.4 Hemi Ram depends on factors like material quality, sound preference, and fitment accuracy to ensure durability and performance. Getting these right helps avoid costly replacements and installation issues while enhancing engine efficiency and driving experience.
Compatibility and Fit
Trying to fit an exhaust system that doesn’t perfectly match the model year and setup often leads to headaches in the garage. Some older or newer trucks have subtle differences in frame shape or suspension placement that throw off bolt-on parts.
Without proper fitment, you might find yourself cutting pipes or drilling holes, which can weaken the system and void warranties.
Good compatibility means the exhaust lines up cleanly with existing hangers and connection points, preventing rattles or stress points over bumps. Clearance matters too; pipes should avoid coming near brake lines, shocks, or the fuel tank.
For this type of vehicle, look for exhausts specified precisely for your year and cab/body style. Confirm that all mounting brackets and clamps are included and match factory specs to keep things straightforward and secure.
Material Quality and Durability
Exhausts made from standard steel tend to rust quickly under road salt and moisture, leading to leaks and costly replacements. Stainless steel, especially 304-grade, stands up much better against corrosion and heat, lasting several years longer even in harsh conditions. The thickness of the tubing, usually around 16 to 18 gauge, also affects how well the system resists dents and warping from heat cycles.
Watch the welds closely: sloppy or thin welds can crack under repeated thermal expansion typical in high-power trucks. A good exhaust often has smooth, consistent weld beads that indicate solid construction. Some models have protective coatings or ceramic finishes that help reduce rust and shield against road debris.
This kind of finish will keep the system looking and performing well over time.
Performance Enhancement
Swapping to a performance-oriented exhaust can bump horsepower and torque noticeably, but the gains depend a lot on design. Systems that improve exhaust flow by reducing backpressure let the engine breathe better, which translates to crisper throttle response and improved acceleration. Look for free-flowing mufflers and larger diameter piping, usually 3 to 3.5 inches, to balance flow without hurting low-end power.
Headers that tie into the exhaust without sharp bends or constrictions also help move gases out efficiently. The key is a setup that matches the engine’s characteristics, too large a diameter can drop scavenging effects and reduce torque, while too small limits peak power. Practical upgrades focus on flow improvements that work well across common driving speeds and RPMs, not just in theory.
Sound and Noise Levels
The sound the exhaust makes can define the driving experience, but a loud rumble isn’t always better. Some systems deliver a deep, aggressive growl that fits a powerful truck, while others aim for a moderate tone that avoids annoying neighbors or attracting too much attention. Paying attention to the exhaust’s sound profile during different RPM ranges helps pick what suits you best.
Resonance and drone inside the cabin can get tiring on long drives. Well-designed exhausts minimize this with sound-deadening features or chamber tuning.
Noise regulations vary by region, so a system that’s legal where you drive avoids potential fines or forced modifications. Testing or reviews often mention decibel levels and drone tendencies clearly, which are useful details.
Installation and Maintenance
Some exhaust systems install in under an hour with basic hand tools, while others require a lift, cutting, or welding. Clear instructions and included hardware reduce frustration and can save money on professional installation. Bolt-on options designed for your truck avoid guesswork and usually fit without modification.
Maintenance hinges on design choices such as modular muffler assemblies or replaceable tips. These features help fix parts individually rather than replacing the whole system. Systems with smooth interior surfaces resist carbon buildup, making periodic cleaning easier.
Stainless steel setups typically need less upkeep than coated versions that may chip or corrode over time.
Performance Benefits of Upgrading the Exhaust on a 6.4 HEMI Ram
Swapping out the factory exhaust on a 6.4 HEMI Ram can yield noticeable improvements in engine responsiveness and sound. This engine is known for its power, but the restrictive stock exhaust limits airflow, which reduces efficiency. Aftermarket options often feature larger diameter pipes and mandrel bends, smoothing the path for exhaust gases and allowing the engine to breathe better.
Key performance gains you can expect include:
- Increased horsepower and torque through improved scavenging.
- Enhanced throttle response and acceleration feel.
- A deeper, more aggressive exhaust note without excessive drone.
These benefits are usually more pronounced with a full cat-back or turbo-back system, as they tackle multiple bottlenecks in the exhaust pathway. Properly chosen, an aftermarket exhaust can also reduce backpressure, helping the engine run cooler and potentially increasing fuel efficiency during highway cruising.
Maintenance Tips to Prolong the Life of Your 6.4 HEMI Ram Exhaust System
Routine upkeep is essential to keep your 6.4 HEMI Ram’s exhaust system in good condition. Dirt, moisture, and road salt can lead to corrosion, especially on steel components. Regular inspections under the truck help spot rust or loose clamps early before they cause leaks or rattles.
Some practical maintenance tips include:
- Washing the undercarriage, especially after winter or driving on salted roads.
- Checking hangers and mounts for wear or damage to prevent excessive movement.
- Tightening or replacing clamps and bolts to stop leaks and rattles.
- Using high-temp anti-seize on fasteners during reassembly to avoid future rust.
Keeping the exhaust clean and intact not only preserves performance but also helps the system pass emissions tests, if applicable in your area.
Comparing Aftermarket Exhaust Brands for the 6.4 HEMI Ram
Choosing the right aftermarket exhaust brand for a 6.4 HEMI Ram depends on what you want from sound, build quality, and price. Some brands focus on stainless steel construction for long life, while others might offer aluminum or coated steel to reduce weight or cost.
Here are some points to consider when comparing brands:
- Pipe diameter and design, as this impacts flow and noise levels.
- The type and placement of mufflers, which influence exhaust tone and drone.
- The system may be a direct bolt-on or might need some modifications.
- Customer support and warranty coverage help ensure satisfaction and reliability.
Some manufacturers provide options like dual exit or single exit configurations, allowing for more customization of the truck’s look and sound. Reviewing installation instructions and user feedback can help you pick a system that suits daily driving or heavy towing needs.
People Also Asked
How Do I Properly Maintain an Exhaust on a 6.4 Hemi Ram?
Regularly inspect the exhaust system for rust, leaks, and damage, especially around joints and clamps. Cleaning the exhaust tips helps prevent buildup, and avoid short trips that don’t let the system heat enough to evaporate moisture inside.
What Size Exhaust Fits a 6.4 Hemi Ram Truck?
A 3-inch diameter exhaust pipe suits the 6.4 Hemi Ram well, balancing flow and back pressure. This size supports good performance without unnecessary noise or power loss.
Are Aftermarket Exhausts Safe for a 6.4 Hemi Ram Engine?
Aftermarket exhausts can be safe if they are made from quality materials and designed specifically for the 6.4 Hemi Ram. Check for products with proper fitment and compliance with emissions standards.
How Long Does a Typical Exhaust Last on a 6.4 Hemi Ram?
A typical exhaust system on a 6.4 Hemi Ram lasts about 5 to 7 years, depending on driving conditions and maintenance. Harsh environments with salt or moisture can shorten this lifespan.
What Common Problems Occur with 6.4 Hemi Ram Exhaust Systems?
Common issues include rusting of the pipes and mufflers, cracks at welds, and loose or broken hangers. These problems can cause noise, leaks, and reduced performance if not addressed.
Conclusion
Choosing the best exhaust for a 6.4 Hemi Ram comes down to sound quality, durability, and how it affects engine performance. Consider the type of material, ease of installation, and the noise level you prefer. These factors directly impact the driving experience and long-term reliability.
Match your choice with your budget and how you plan to use the truck daily. Check the comparison table and detailed reviews above to see which options fit your needs and space. This will help narrow down the right balance between cost, sound, and longevity.

Hi, I’m Garrett Winslow, a bike enthusiast who enjoys exploring different types of bicycles, from everyday commuter bikes to mountain bikes and road bikes. I love learning about bicycle components, riding accessories, maintenance techniques, and gear that makes cycling more comfortable and enjoyable. Through my writing, I aim to share practical tips and useful insights to help fellow cycling enthusiasts choose the right bikes, maintain their bicycles, and get the most out of every ride.











