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1711 Results

DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

Diablo Sport
4.8 (8)

Regular price $535.95 $427.95 20% off

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American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024
American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024
usa

American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024

American Brother Designs
4.5 (2)

Regular price $101.49 $69.00 32% off

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per 

DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge / Ram 2005 - 2014
DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge / Ram 2005 - 2014

DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge 2005 - 2014

Diablo Sport
5.0 (3)

Regular price $818.95 $737.06 10% off

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per 

American Brother Designs Washer Fluid Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs Washer Fluid Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
usa

American Brother Designs Washer Fluid Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025

American Brother Designs

Regular price $109.00 $59.00 46% off

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per 

DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014
DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

Diablo Sport
5.0 (2)

Regular price $535.95 $427.95 20% off

Unit price
per 

American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram
American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram
usa

American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram

American Brother Designs
5.0 (1)

Regular price $76.00 $56.00 26% off

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per 

American Brother Designs Radiator Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs Radiator Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
usa

American Brother Designs Radiator Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025

American Brother Designs
5.0 (1)

Regular price $109.00 $59.00 46% off

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per 

BBK O2 Sensor Wiring Extension Kit: Chrysler / Dodge / Ram / Jeep Vehicles 2003 - 2025 (Excl 2019+ Ram)
BBK O2 Sensor Wiring Extension Kit: Chrysler / Dodge / Ram / Jeep Vehicles 2003 - 2025 (Excl 2019+ Ram)
usa

BBK O2 Sensor Wiring Extension Kit: Chrysler / Dodge / Jeep Vehicles 2003 - 2023 (Excl 2019+ Ram)

BBK
5.0 (1)

Regular price $89.99 $69.99 22% off

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American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
usa

American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025

American Brother Designs

Regular price $109.00 $59.00 46% off

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per 

Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2010 - 2019
Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2010 - 2019

Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2010 - 2019

Amerihood

Regular price $878.42 $694.36 21% off

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per 

Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 2002 - 2008
Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 2002 - 2008

Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 2002 - 2008

Amerihood
4.0 (1)

Regular price $878.42 $694.36 21% off

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per 

Amerihood TYPE-VIP STYLE Functional Ram Air Hood: Dodge Ram 1500 2009 - 2018
Amerihood TYPE-VIP STYLE Functional Ram Air Hood: Dodge Ram 1500 2009 - 2018

Amerihood TYPE-VIP STYLE Functional Ram Air Hood: Dodge Ram 1500 2009 - 2018

Amerihood

Regular price $878.42 $694.36 21% off

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per 

Winjet Halo Projector Fog Lights: Dodge Dakota / Durango 2001 - 2004
Winjet Halo Projector Fog Lights: Dodge Dakota / Durango 2001 - 2004

Winjet Halo Projector Fog Lights: Dodge Dakota / Durango 2001 - 2004

Winjet
5.0 (1)

Regular price $59.99 $49.99 17% off

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per 

Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2010 - 2019
Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2010 - 2019

Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2010 - 2019

Amerihood

Regular price $878.42 $694.36 21% off

Unit price
per 

DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge  / Ram 2005 - 2014
DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge  / Ram 2005 - 2014

DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge 2005 - 2014

Diablo Sport

Regular price $818.95 $737.06 10% off

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Performance Upgrades for Your 3.9L V6 Mopar Engine

The 3.9L V6 is a reliable and smooth-running engine found in various Chrysler and Dodge models, offering solid daily drivability with dependable power. While it may not have the high-performance pedigree of Mopar’s V8 Hemis, the 3.9L platform still benefits greatly from targeted upgrades that improve airflow, ignition, cooling, and exhaust flow.

How to Improve Airflow and Throttle Response on the 3.9L V6

Enhancing intake and throttle body components is one of the most effective ways to boost your 3.9L’s responsiveness and efficiency. Upgraded intake manifolds and throttle bodies increase the volume and quality of air entering the engine, which helps improve combustion and overall performance without sacrificing reliability.

  • Install high-flow air filters and intake manifolds for better breathing
  • Upgrade throttle bodies to improve throttle response and reduce lag
  • Ensure proper fitment to maintain smooth drivability and engine longevity

Maintaining Engine Health with Cooling and Ignition Upgrades

Keeping your 3.9L V6 running cool and firing efficiently is key to long-term reliability. Upgrading cooling system components such as radiators, thermostats, and fans helps manage engine temperatures during daily driving or mild performance use. Meanwhile, ignition system enhancements like high-quality coils and spark plugs ensure consistent spark delivery for smooth operation.

Exhaust and Maintenance Parts to Maximize Your 3.9L V6

Exhaust upgrades tailored for the 3.9L V6 improve flow and sound while supporting better engine efficiency. Combined with routine maintenance parts, these upgrades help you get the most out of your Mopar engine. Explore FastHemis’ selection of 3.9L-specific performance and maintenance components to keep your engine running strong and responsive.

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