5.9L / 6.7L Diesel Engine Upgrades
Flowtech Shorty Headers (Black Painted): Dodge Ram / Dakota / Durango 5.2L & 5.9L V8 1996 - 2003
Flowtech
Regular price
$538.95
$430.95
Sale
- Unit price
- /per
S&B Cold Air Intake: Dodge Ram 6.7L Cummins Diesel 2010 - 2012 (2500 / 3500)
S&B Filters
$399.00
- Unit price
- /per
2 filter types
aFe Throttle Body Spacer: Fits Dodge / Chrysler / Jeep / Ram (05-26) 5.7L Hemi / SRT8 / 392
aFe
$139.00
- Unit price
- /per
American Brother Designs Coolant Reservoir Cap Cover: Chrysler / Dodge / Jeep 2005 - 2026
American Brother Designs
Regular price
$109.00
$59.00
Sale
- Unit price
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S&B Cold Air Intake: Ram 6.7L Cummins Diesel 2019 - 2024 (2500 / 3500)
S&B Filters
$399.00
- Unit price
- /per
2 filter types
Bully Dog GT Platinum Tuner: Fits Most Chrysler/Dodge/Jeep/Ram (03-14)
Bully Dog
$399.00
- Unit price
- /per
Superchips F5 Flashpaq Tuner: Fits Dodge / Ram / Chrysler (98-14)
Superchips
Regular price
$562.95
$499.95
Sale
- Unit price
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Edge Digital Monitor Insight CTS3: Fits Most Domestic Gas and Diesel Trucks 1996-2024 w/ Windshield Mounting Bracket
Edge
Regular price
$618.95
$549.95
Sale
- Unit price
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S&B Cold Air Intake: Ram 6.7L Cummins Diesel 2013 - 2018 (2500 / 3500)
S&B Filters
$399.00
- Unit price
- /per
2 filter types
aFe BladeRunner Intercooler Couplings & Clamps Kit; aFe Tubes Only: Ram 2500 / 3500 6.7L Diesel 2013 - 2018
aFe
$323.00
- Unit price
- /per
aFe Magnum FORCE Stage-2 Cold Air Intake System w/ D2 Dura-Dry Filter: Ram 2500 / 3500 6.7L Diesel 2025 - 2026
aFe
$359.00
- Unit price
- /per
Banks Ram-Air Cold Air Intake System Dry Filter: Ram 2500 / 3500 13-18 6.7L Diesel
Banks Power
Regular price
$498.89
$449.00
Sale
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AMP Research Replacement Controller Xtreme Type A: Fits Most Jeep/Ram (07-23)
AMP Research
$99.99
- Unit price
- /per
Magnaflow 5in DPF-Back Single Passenger Side Rear Exit Exhaust - Black: Ram 2500 / 3500 6.7L Diesel 2019 - 2026
Magnaflow
$593.00
- Unit price
- /per
MBRP ARMOR LITE Turbo-Back Exhaust Aluminized 4" Single Side Exit: Dodge Ram 2500/3500 98-02 5.9L Cummins
MBRP
$554.99
- Unit price
- /per
PPE Diesel DEF Fill Cap Billet Aluminum (w/ Magnet): Fits Dodge Ram / Jeep 2007-2025
PPE
$29.99
- Unit price
- /per
Magnaflow Stainless Steel Muffler (14x4x9, 3in Center/Center): Dodge Ram 2500 / 3500 5.9L Diesel & 8.0L V10 1998 - 2001
Magnaflow
$146.00
- Unit price
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aFe Momentum HD Cold Air Intake System w/ Pro 10R Filter: Dodge Ram 2500 / 3500 5.9L Diesel 2003 - 2007
aFe
$420.00
- Unit price
- /per
King Chrysler Dodge Hemi 5.7L/6.1L V8 Performance Rod Bearing Set - Size STDX
King Engine Bearings
$219.95
- Unit price
- /per
K&N 57 Series Cold Air Intake: Ram 2500 / 3500 6.7L Diesel 2013 - 2018
K&N Engineering
$262.99
- Unit price
- /per
American Brother Designs Fuse Box Cover: Dodge Durango / Jeep Grand Cherokee / Ram 1500 / 2500 / 3500 2013 - 2026
American Brother Designs
Regular price
$205.00
$155.00
Sale
- Unit price
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S&B Cold Air Intake: Dodge Ram 5.9L Cummins Diesel 2003 - 2007 (2500 / 3500)
S&B Filters
$399.00
- Unit price
- /per
2 filter types
aFe Silver Bullet Throttle Body Spacer: Dodge Ram 1500 / 2500 / 3500 (5.2L V8, 5.9L V8 / Diesel) 1994 - 2002
aFe
$139.00
- Unit price
- /per
Flowmaster FloxFX Exhaust System (Single Side Exit): Dodge Ram 1500 / 2500 / 3500 3.9L, 5.2L V8, 5.9L Diesel 1994 - 2002
Flowmaster
Regular price
$658.95
$584.95
Sale
- Unit price
- /per
Flowmaster Force II Exhaust System: Dodge Ram 1500 / 2500 / 3500 3.9L, 5.2L V8, 5.9L Diesel 1998 - 2002
Flowmaster
Regular price
$658.95
$584.95
Sale
- Unit price
- /per
ACCEL SuperTuner Performance Tuner: Fits Most Dodge / Ram / Chrysler Models (1999-2013)
ACCEL
Regular price
$514.95
$456.95
Sale
- Unit price
- /per
AEM Brute Force Cold Air Intake (Gunmetal): Dodge Ram 2500 / Ram 3500 03-06 5.9L Diesel
AEM
$419.99
- Unit price
- /per
AEM DryFlow Air Filter: Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (03-12)
AEM Induction
$83.99
- Unit price
- /per
aFe ATLAS 5" Aluminized Steel DPF-Back Exhaust System w/Black Tip: Dodge Ram 2500 / 3500 6.7L Diesel 2007 - 2012
aFe
$660.00
- Unit price
- /per
aFe ATLAS 5" Aluminized Steel DPF-Back Exhaust System w/Black Tip: Ram 2500 / 3500 6.7L Diesel 2013 - 2018
aFe
$500.00
- Unit price
- /per
aFe ATLAS 5" Aluminized Steel DPF-Back Exhaust System w/Black Tip: Ram 2500 / 3500 6.7L Diesel 2013 - 2018
aFe
$660.00
- Unit price
- /per
aFe ATLAS 5" Aluminized Steel DPF-Back Exhaust System w/Black Tip: Ram 2500 / 3500 6.7L Diesel 2019 - 2026
aFe
$462.00
- Unit price
- /per
aFe ATLAS 5" Aluminized Steel DPF-Back Exhaust System w/Polished Tip: Ram 2500 / 3500 6.7L Diesel 2013 - 2018
aFe
$462.00
- Unit price
- /per
aFe ATLAS 5" Aluminized Steel DPF-Back Exhaust System w/Polished Tip: Ram 2500 / 3500 6.7L Diesel 2013 - 2018
aFe
$593.00
- Unit price
- /per
aFe ATLAS 5" Aluminized Steel DPF-Back Exhaust System w/Polished Tip: Ram 2500 / 3500 6.7L Diesel 2019 - 2026
aFe
$451.00
- Unit price
- /per
aFe Billet Aluminum Oil Cap: Dodge Ram 2500 / 3500 5.9L Diesel & 6.7L Diesel 2003 - 2014
aFe
$88.00
- Unit price
- /per
aFe BladeRunner 2.5" to 3" Aluminum Cold-Side Charge Pipe Black: Ram 2500 / 3500 6.7L Diesel 2025 - 2026
aFe
$323.00
- Unit price
- /per
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5.9L Magnum & 6.7L Cummins Diesel Engine Upgrades for Torque and Reliability
The 5.9L Magnum V8 and 6.7L Cummins inline-6 are iconic diesel engines celebrated for their torque, towing strength, and durability. Whether you own a classic Ram with the 5.9L or a modern heavy-duty Ram powered by the 6.7L Cummins, upgrading these engines with diesel-specific performance parts can significantly enhance power delivery and dependability.
How Diesel Engine Upgrades Improve Your 5.9L and 6.7L Performance
Diesel engines like the 5.9L Magnum and 6.7L Cummins thrive on torque and efficiency. Upgrades focused on intake airflow, exhaust flow, and fuel delivery optimize combustion and turbocharger response. These improvements translate to stronger towing capability, better throttle response, and sustained power under load.
- High-flow intake and exhaust systems reduce restrictions and improve turbo efficiency
- Turbocharger and intercooler upgrades enhance boost control and charge air cooling
- Fuel system enhancements ensure consistent fuel delivery for higher power demands
- Performance tuning calibrates engine parameters for optimized power and reliability
Choosing the Right Upgrades for Your Diesel Engine Goals
When selecting upgrades for your 5.9L or 6.7L diesel, consider your primary use—whether it’s daily driving, heavy towing, or performance builds. Intake and exhaust modifications improve airflow, while turbocharger enhancements increase boost and efficiency. Fuel system upgrades become critical as power levels rise, and tuning ties all components together for smooth operation.
Maximize Your Diesel Engine’s Potential with FastHemis Upgrades
From intake manifolds and turbochargers to fuel system components and tuning tools, FastHemis offers a comprehensive selection of parts tailored to the 5.9L Magnum and 6.7L Cummins platforms. Explore our collection to find reliable, performance-driven upgrades that maintain the rugged durability these engines are known for.