5.9L / 6.7L Diesel Engine Upgrades
DiabloSport inTune i3 Platinum Programmer: Fits Dodge / Chrysler / Ram (05-14)
Diablo Sport
Regular price
$535.95
$475.95
11% off
- Unit price
- /per
American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2025
American Brother Designs
Regular price
$101.49
$69.00
32% off
- Unit price
- /per
aFe Throttle Body Spacer: Fits Dodge / Chrysler / Jeep / Ram (05-26) 5.7L Hemi / SRT8 / 392
aFe
$139.00
- Unit price
- /per
DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014
Diablo Sport
Regular price
$535.95
$475.95
11% off
- Unit price
- /per
American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram
American Brother Designs
Regular price
$76.00
$56.00
26% off
- Unit price
- /per
S&B Cold Air Intake: Ram 6.7L Cummins Diesel 2019 - 2024 (2500 / 3500)
S&B Filters
Regular price
$429.99
$349.00
19% off
- Unit price
- /per
Bully Dog Thruster Throttle Booster: Fits Most Chrysler / Dodge / Jeep / Ram Models (2005-2022)
Bully Dog
Regular price
$299.00
$157.57
47% off
- Unit price
- /per
American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs
Regular price
$109.00
$59.00
46% off
- Unit price
- /per
COMP Cams Stage 1 HRT Hydraulic Roller Camshaft: Fits Dodge / Chrysler / Jeep (02-10)
COMP Cams
$579.95
- Unit price
- /per
DiabloSport Predator 2 Tuner: Dodge Ram / Ram / Durango / Dakota 2005 - 2018 (V6 & V8 Models)
Diablo Sport
$472.95
- Unit price
- /per
NGK Ultra-Low Resistance Spark Plug Wire Set: Fits Most Dodge Ram / Durango Models (2002-2010)
NGK
$73.04
- Unit price
- /per
aFe Cold Air Intake (V2): Dodge Ram 5.7L Hemi (03-08)
aFe
from $376.00 25% off
- Unit price
- /per
Spectre Polished Air Intake Kit: Dodge Ram 1500 / Ram 2500 / Ram 3500 1994-2001 w/ Red Filter
Spectre
$211.99
- Unit price
- /per
Gibson Ceramic Coated Performance Header: Dodge Dakota (96-03) / Durango (98-03) / Ram 1500 (96-03)
Gibson
Regular price
$1,704.34
$783.29
54% off
- Unit price
- /per
MagnaFlow Performance Exhaust Muffler: Dodge Ram 2500 / Ram 3500 1998 - 2001
Magnaflow
$139.00
- 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.