5.9L / 6.7L Diesel Engine Upgrades
Edge EvoHT2 Handheld Tuner: Fits Most GM / Ford / Dodge RAM Trucks
Edge
Regular price
$518.95
$499.95
4% off
- Unit price
- /per
MagnaFlow California Grade Cat Converter: Fits Most Dodge/Jeep 5.9L Diesel/5.7L/4.0L (01-06) - SS
Magnaflow
$458.00
- Unit price
- /per
aFe Magnum Flow OE Replacement Air Filter: Dodge Ram 2500 / Ram 3500 94-02 5.9L Diesel w/ Pro 5R Media
aFe
$107.00
- Unit price
- /per
Magnaflow Universal Catalytic Converter: Dodge Ram 1500/Ram 2500/Ram 3500 96-01 5.9L Diesel/5.2L/3.9L - SS
Magnaflow
$952.00
- Unit price
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MBRP 4in Filter Back Cool Duals AL: Ram 2500 / 3500 13-26 6.7L Diesel/6.4L/5.7L
MBRP
Regular price
$685.58
$554.99
19% off
- Unit price
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Liqui Moly Special Tec AA Motor Oil: Fits Most Dodge/Jeep/Ram (03-24)
LIQUI MOLY
$303.80
- Unit price
- /per
MagnaFlow OEM Grade Direct Fit Catalytic Converter: Fits Most Dodge 5.9L Diesel/5.7L/5.2L/3.9L (94-02)
Magnaflow
$399.00
- 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
PPE MAP Sensor Relocation Spacer Kit: Ram 2500 / 3500 2019-2024 6.7L Diesel
PPE
$69.99
- Unit price
- /per
PPE Dual Fueler Installation Kit w/ CP3 Pump (Built To Order): Dodge Ram 2004-2007 5.9L Diesel
PPE
$2,649.99
- Unit price
- /per
PPE Billet Fuel Cap w/ Magnet: Ram 2500 / 3500 2019-2025 6.7L Diesel / Ram 1500 2019-2023 3.0L EcoDiesel
PPE
$29.99
- Unit price
- /per
PPE Hardened SS Drain Plug M18-1.5 (w/ Magnet): Dodge Ram 2003-2025 5.9L / 6.7L Diesel
PPE
$24.99
- Unit price
- /per
PPE Main Stud & Girdle Bolt Kit Chrome-Moly: Fits Dodge/Ram 2007-2018 6.7L Cummins
PPE
$199.99
- Unit price
- /per
PPE Diesel DEF Fill Cap Billet Aluminum (w/ Magnet): Fits Dodge Ram / Jeep 2007-2025
PPE
$29.99
- Unit price
- /per
PPE Race Fuel Valve (STAINLESS STEEL): Fits Dodge Ram 2007-2018 6.7L Diesel / GM 2004.5-2010 6.6L Duramax
PPE
$24.99
- Unit price
- /per
PPE Billet Fuel Cap w/ Magnet (UNIVERSAL): Fits Ram 2500/3500 6.7L Diesel / 1500 3.0L EcoDiesel - Green
PPE
$19.99
- Unit price
- /per
PPE Exhaust Manifold Stud Nut Washer Kit: Dodge Ram 1998-2018 5.9L/6.7L Diesel
PPE
$99.99
- Unit price
- /per
PPE Intercooler Charge Pipe Kit SS (3"/3.5"): Dodge Ram 2010-2012 6.7L Diesel
PPE
$299.99
- Unit price
- /per
Superchips F5 Flashpaq 50-State Legal Programmer: Fits Dodge / Ram / Chrysler (98-13)
Superchips
Regular price
$518.95
$499.95
4% off
- Unit price
- /per
Superchips Dashpaq+ Performance Tuner: Fits Most Dodge / Ram / Chrysler Models 2003-2014
Superchips
Regular price
$979.95
$922.95
6% off
- Unit price
- /per
PPE Intercooler Charge Pipe Kit 3.5in SS (Hot & Cold): Ram 2500 / 3500 2019-2024 6.7L Diesel
PPE
$399.99
- Unit price
- /per
Flowmaster Pro Series Muffler: Dodge Ram 2500 / Ram 3500 97-07
Flowmaster
Regular price
$345.95
$306.95
11% off
- Unit price
- /per
Flowmaster American Thunder Cat-Back Exhaust: Dodge Ram 1500 (94-01) / Ram 2500 / 3500 (94-02)
Flowmaster
Regular price
$731.95
$675.95
8% off
- Unit price
- /per
Flowmaster Direct Fit Catalytic Converter: Dodge Ram 1500 / Ram 2500 / Ram 3500 1994-1999
Flowmaster
Regular price
$575.95
$531.95
8% off
- Unit price
- /per
Flowmaster 40 Series Delta Flow Chambered Muffler: Dodge Ram 2500 / Ram 3500 94-96 (843041)
Flowmaster
Regular price
$192.95
$170.95
11% off
- Unit price
- /per
Flowmaster 50 Series HD Chambered Muffler (REAR): Fits Dodge Ram / Jeep Grand Cherokee (94-14)
Flowmaster
Regular price
$312.95
$277.95
11% off
- Unit price
- /per
Flowmaster 40 Series Delta Flow Chambered Muffler: Dodge Ram 2500 / Ram 3500 94-96 (943041)
Flowmaster
Regular price
$168.95
$149.95
11% off
- Unit price
- /per
Flowmaster 70 Series Chambered Muffler: Dodge Dakota / Durango / Ram (92-05)
Flowmaster
Regular price
$281.95
$249.95
11% off
- Unit price
- /per
Flowmaster 40 Series Chambered Muffler: Dodge Ram 2500 / Ram 3500 94-96 (8043041)
Flowmaster
Regular price
$152.95
$135.95
11% off
- Unit price
- /per
Flowmaster Super 40 Series Chambered Muffler: Fits Dodge / Ram (92-05)
Flowmaster
Regular price
$168.95
$149.95
11% off
- 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.