Shop 3.9L
DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014
Diablo Sport
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
Regular price
$101.49
$69.00
32% off
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DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge 2005 - 2014
Diablo Sport
Regular price
$818.95
$737.06
10% off
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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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DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014
Diablo Sport
Regular price
$535.95
$427.95
20% 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
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American Brother Designs Radiator Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs
Regular price
$109.00
$59.00
46% off
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Ripp Magnetic Engine Oil Drain Plug: Fits Most Chrysler / Dodge / Jeep / Ram V6 & V8 Models (2003-2024)
Ripp
$24.95
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BBK O2 Sensor Wiring Extension Kit: Chrysler / Dodge / Jeep Vehicles 2003 - 2023 (Excl 2019+ Ram)
BBK
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
Regular price
$109.00
$59.00
46% off
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Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2010 - 2019
Amerihood
Regular price
$878.42
$694.36
21% off
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Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 2002 - 2008
Amerihood
Regular price
$878.42
$694.36
21% off
- Unit price
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Amerihood TYPE-VIP STYLE Functional Ram Air Hood: Dodge Ram 1500 2009 - 2018
Amerihood
Regular price
$878.42
$694.36
21% off
- Unit price
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Winjet Halo Projector Fog Lights: Dodge Dakota / Durango 2001 - 2004
Winjet
Regular price
$59.99
$49.99
17% off
- Unit price
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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 2005 - 2014
Diablo Sport
Regular price
$818.95
$737.06
10% off
- Unit price
- /per
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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.