OVER 20 YEARS IN BUSINESS

UNMATCHED CUSTOMER SERVICE

Your cart

Your cart is empty

2.0L I4 / 3.0L EcoDiesel / 3.8L V6 Engine Upgrades

Upgrade Your 2.0L I4, 3.0L EcoDiesel, and 3.8L V6 Engines The 2.0L inline-4, 3.0L EcoDiesel, and 3.8L V6 engines each offer unique strengths, from efficient daily driving to robust diesel torque and versatile V6 performance. Whether you’re looking to enhance fuel efficiency, increase power output, or improve engine reliability, these platforms respond well to targeted upgrades. In this collection, you’ll find performance parts and upgrades designed specifically for these engines, including intake and exhaust components, tuning options, and durability enhancements. These upgrades help optimize combustion, boost torque delivery, and extend engine life, making your vehicle more capable on the road or worksite. Key upgrade options include: - Cold air intakes and throttle body enhancements - Diesel-specific fuel system and turbo upgrades for the 3.0L EcoDiesel - Exhaust and ignition improvements for smoother power delivery - Engine management and tuning solutions Shop 2.0L I4, 3.0L EcoDiesel, and 3.8L V6 engine upgrades at FastHemis.
SELECT YOUR VEHICLE

823 Results

Flowmaster Outlaw Extreme Cat-Back Exhaust System: Jeep Wrangler (07-17) / Wrangler JK 2018
Flowmaster Outlaw Extreme Cat-Back Exhaust System: Jeep Wrangler (07-17) / Wrangler JK 2018
usa

Flowmaster Outlaw Extreme Cat-Back Exhaust System: Jeep Wrangler (07-17) / Wrangler JK 2018

Flowmaster

Regular price $507.95 $467.95 8% off

Unit price
per 

Flowmaster Outlaw Extreme Cat-Back Exhaust System: Jeep Wrangler 2018-2026
Flowmaster Outlaw Extreme Cat-Back Exhaust System: Jeep Wrangler 2018-2026
usa

Flowmaster Outlaw Extreme Cat-Back Exhaust System: Jeep Wrangler 2018-2026

Flowmaster

Regular price $479.95 $449.95 6% off

Unit price
per 

Flowmaster 40 Series Delta Flow Chambered Muffler: Dodge Challenger 2014 / Dakota (97-07)
Flowmaster 40 Series Delta Flow Chambered Muffler: Dodge Challenger 2014 / Dakota (97-07)
usa

Flowmaster 40 Series Delta Flow Chambered Muffler: Dodge Challenger 2014 / Dakota (97-07)

Flowmaster

Regular price $190.95 $168.95 12% off

Unit price
per 

Hooker BlackHeart Stainless Gen III Hemi Swap Headers: Fits Most Hemi Models

Hooker BlackHeart SS Gen III Hemi Swap Headers: Dodge Dakota / Ramcharger / Mopar (66-04)

Hooker BlackHeart

Regular price $434.95 $399.95 8% off

Unit price
per 

Flowmaster Super 44 Series Chambered Muffler: Dodge Challenger 2014 / Dakota (97-07)
usa

Flowmaster Super 44 Series Chambered Muffler: Dodge Challenger 2014 / Dakota (97-07)

Flowmaster

Regular price $157.95 $139.95 11% off

Unit price
per 

Flowmaster Super 40 Series Chambered Muffler: Dodge Challenger (09-14) / Dakota (97-10)
Flowmaster Super 40 Series Chambered Muffler: Dodge Challenger (09-14) / Dakota (97-10)
usa

Flowmaster Super 40 Series Chambered Muffler: Dodge Challenger (09-14) / Dakota (97-10)

Flowmaster

Regular price $193.95 $171.95 11% off

Unit price
per 

Hooker BlackHeart Gen III Hemi Low Profile Exhaust Manifolds: Fits Most Hemi Models

Hooker BlackHeart Gen III Hemi Low Profile Exhaust Manifolds: Dodge Dakota (97-04)

Hooker BlackHeart

Regular price $402.95 $371.95 8% off

Unit price
per 

Hooker BlackHeart Gen III Hemi Swap Exhaust Manifolds: Fits Most Hemi Models

Hooker BlackHeart Gen III Hemi Swap Exhaust Manifolds: Dodge Dakota (97-04)

Hooker BlackHeart

Regular price $461.95 $425.95 8% off

Unit price
per 

Hooker BlackHeart Gen III Hemi Low Profile Exhaust Manifolds: Dodge Dakota (97-04)
Hooker BlackHeart Gen III Hemi Low Profile Exhaust Manifolds: Dodge Dakota (97-04)

Hooker BlackHeart Gen III Hemi Low Profile Exhaust Manifolds: Dodge Dakota (97-04)

Hooker BlackHeart

Regular price $518.95 $478.95 8% off

Unit price
per 

Flowmaster Super 40 Series Chambered Muffler: Dodge Dakota 2000-2003
Flowmaster Super 40 Series Chambered Muffler: Dodge Dakota 2000-2003
usa

Flowmaster Super 40 Series Chambered Muffler: Dodge Dakota 2000-2003

Flowmaster

Regular price $168.95 $149.95 11% off

Unit price
per 

Flowmaster Super 40 Series Chambered Muffler: Dodge Challenger (09-14) / Dakota (97-10)
usa

Flowmaster Super 40 Series Chambered Muffler: Dodge Challenger (09-14) / Dakota (97-10)

Flowmaster

Regular price $168.95 $149.95 11% off

Unit price
per 

Flowmaster Super 40 Series Chambered Muffler: Fits Dodge / Ram (92-05)
Flowmaster Super 40 Series Chambered Muffler: Fits Dodge / Ram (92-05)
usa

Flowmaster Super 40 Series Chambered Muffler: Fits Dodge / Ram (92-05)

Flowmaster

Regular price $168.95 $149.95 11% off

Unit price
per 

Ripp Catch Can Kit: Fits Most Jeep Wrangler Models (2007-2018)
Ripp Catch Can Kit: Fits Most Jeep Wrangler Models (2007-2018)

Ripp Catch Can Kit: Fits Most Jeep Wrangler Models (2007-2018)

Ripp

$199.00

Unit price
per 

4 colors
  • Black
Earl's Performance Aluminum Oil Filter Block-Off: Fits Most Chrysler / Dodge / Jeep / Ram Models (2008-2020) - Black Anodized

Earl's Perf Aluminum Oil Filter Block-Off: Fits Chrysler / Dodge / Jeep / Ram (08-20) - Black

Earl's Performance

Regular price $37.67 $34.82 8% off

Unit price
per 

Earl's Performance Aluminum Oil Filter Relocation Kit: Fits Most Chrysler / Dodge / Jeep / Ram 2008-2020

Earl's Perf Aluminum Oil Filter Relocation Kit: Fits Chrysler / Dodge / Jeep / Ram (08-20)

Earl's Performance

Regular price $230.95 $212.95 8% off

Unit price
per 

Holley Mid-Mount Complete Accessory System: Fits Most Dodge / Jeep Models (1966-2006)

Holley Mid-Mount Complete Accessory System: Fits Most Dodge / Jeep Models (1966-2006)

Holley

Regular price $3,286.95 $3,049.95 7% off

Unit price
per 

American Brother Designs Custom Radiator Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
cbp
usa
Pedal Commander FN TUNED Throttle Response Controller w/ Anti-Theft: Fits most Hemi Models
Pedal Commander FN TUNED Throttle Response Controller w/ Anti-Theft: Fits most Hemi Models

Pedal Commander FN TUNED Throttle Response Controller w/ Anti-Theft: Fits most Hemi Models

Pedal Commander

Regular price $289.99 $279.99 3% off

Unit price
per 

Pedal Commander FN TUNED Throttle Response Controller w/ Anti-Theft: Fits Ram / Jeep (18-26)
Pedal Commander FN TUNED Throttle Response Controller w/ Anti-Theft: Fits Ram / Jeep (18-26)

Pedal Commander FN TUNED Throttle Response Controller w/ Anti-Theft: Fits Ram / Jeep (18-26)

Pedal Commander

Regular price $289.99 $279.99 3% off

Unit price
per 

Pedal Commander FN TUNED Throttle Response Controller w/ Anti-Theft: Dodge / Chrysler / Jeep (02-10)
Pedal Commander FN TUNED Throttle Response Controller w/ Anti-Theft: Dodge / Chrysler / Jeep (02-10)

Pedal Commander FN TUNED Throttle Response Controller w/ Anti-Theft: Dodge / Chrysler / Jeep (02-10)

Pedal Commander

Regular price $289.99 $279.99 3% off

Unit price
per 

American Brother Designs Custom Coolant Reservoir Cap Cover: Fits Dodge / Jeep / Ram (09-26)
American Brother Designs Custom Coolant Reservoir Cap Cover: Fits Dodge / Jeep / Ram (09-26)
cbp
usa
American Brother Designs Custom Oil Fill Cap Cover: Jeep Models 2007 - 2025
cbp
usa

American Brother Designs Custom Oil Fill Cap Cover: Jeep Models 2007 - 2025

American Brother Designs

$69.00

Unit price
per 

American Brother Designs Jeep Dip Stick Handle Cover: Jeep Models 2007 - 2025
American Brother Designs Jeep Dip Stick Handle Cover: Jeep Models 2007 - 2025
usa

American Brother Designs Jeep Dip Stick Handle Cover: Jeep Models 2007 - 2025

American Brother Designs

Regular price $144.00 $94.00 35% off

Unit price
per 

American Brother Designs Oil Fill Cap Cover: Jeep Models 2007 - 2025
American Brother Designs Oil Fill Cap Cover: Jeep Models 2007 - 2025
usa

American Brother Designs Oil Fill Cap Cover: Jeep Models 2007 - 2025

American Brother Designs

Regular price $119.00 $69.00 42% off

Unit price
per 

American Brother Designs Custom Radiator Cap Cover: Jeep Wrangler / Gladiator (2018-2026)
cbp
usa
American Brother Designs Fuse Box Cover: Jeep Wrangler JK 2007 - 2018
American Brother Designs Fuse Box Cover: Jeep Wrangler JK 2007 - 2018
usa

American Brother Designs Fuse Box Cover: Jeep Wrangler JK 2007 - 2018

American Brother Designs

Regular price $205.00 $155.00 24% off

Unit price
per 

American Brother Designs Custom Radiator Cap Cover: Jeep Wrangler JK 2007 - 2018
cbp
usa
American Brother Designs Washer Fluid Cap Cover: Jeep Wrangler JK 2007 - 2018
American Brother Designs Washer Fluid Cap Cover: Jeep Wrangler JK 2007 - 2018
usa

American Brother Designs Washer Fluid Cap Cover: Jeep Wrangler JK 2007 - 2018

American Brother Designs

Regular price $109.00 $59.00 46% off

Unit price
per 

American Brother Designs Hood Shock Covers: Jeep Wrangler JK 2007 - 2018
American Brother Designs Hood Shock Covers: Jeep Wrangler JK 2007 - 2018
usa

American Brother Designs Hood Shock Covers: Jeep Wrangler JK 2007 - 2018

American Brother Designs

Regular price $140.00 $90.00 36% off

Unit price
per 

American Brother Designs Custom Washer Fluid Cap Cover: Jeep Wrangler JK 2007 - 2018
American Brother Designs Custom Washer Fluid Cap Cover: Jeep Wrangler JK 2007 - 2018
cbp
usa
American Brother Designs Custom Power Steering Fluid Cap Cover: Jeep Wrangler JK 2007 - 2018
cbp
usa
American Brother Designs Custom Oil Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
American Brother Designs Custom Oil Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
cbp
usa
American Brother Designs Radiator Cap Cover: Jeep Wrangler / Gladiator (2018-2026)
American Brother Designs Radiator Cap Cover: Jeep Wrangler / Gladiator (2018-2026)
usa

American Brother Designs Radiator Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)

American Brother Designs

Regular price $109.00 $59.00 46% off

Unit price
per 

Performance Upgrades for 2.0L I4, 3.0L EcoDiesel, and 3.8L V6 Engines

The 2.0L inline-4, 3.0L EcoDiesel, and 3.8L V6 engines each bring distinct capabilities to the table, from efficient daily driving to diesel torque and versatile V6 power. Targeted upgrades for these platforms can enhance fuel efficiency, increase power output, and improve overall engine durability to meet your performance and reliability goals.

How to Choose the Right Intake and Exhaust Upgrades for These Engines

Optimizing airflow is key to unlocking better performance and efficiency in the 2.0L I4, 3.0L EcoDiesel, and 3.8L V6 engines. Cold air intakes and throttle body enhancements improve combustion by delivering cooler, denser air, while exhaust upgrades reduce backpressure for smoother power delivery. Selecting parts designed specifically for each engine ensures proper fitment and maximum gains.

  • Cold air intakes tailored for precise airflow and filtration
  • Throttle body upgrades to improve throttle response and volume
  • Exhaust components that balance flow with emissions compliance
  • Diesel-specific exhaust options to handle higher exhaust gas temperatures

What Diesel-Specific Upgrades Boost the 3.0L EcoDiesel’s Torque and Reliability?

The 3.0L EcoDiesel engine benefits from upgrades that support its turbocharged diesel design, focusing on fuel system enhancements and turbocharger efficiency. Upgrading fuel injectors, high-pressure fuel pumps, and turbo components can improve torque delivery and throttle response while maintaining engine longevity under heavy loads.

Why Engine Management and Tuning Matter for These Engine Upgrades

Proper engine management and tuning are essential to maximize the benefits of hardware upgrades on the 2.0L I4, 3.0L EcoDiesel, and 3.8L V6 engines. Custom tuning optimizes air-fuel ratios, ignition timing, and boost control (for diesel), ensuring improved power, fuel economy, and reliability. Explore FastHemis’ selection of tuning solutions designed to complement your specific engine upgrades and driving needs.

SELECT YOUR VEHICLE