3.7L / 4.0L Engine Upgrades
Flowmaster Force II Cat-Back Exhaust System: Dodge Dakota 2005-2010
Flowmaster
Regular price
$584.95
$519.95
Sale
- Unit price
- /per
Motul 8100 Eco-Lite Gen3 5W-30 (1L Case of 12)
Motul
Regular price
$191.88
$172.68
Sale
- Unit price
- /per
Motul 8100 X-CLEAN Plus 5W-30 (5L Case of 4)
Motul
Regular price
$360.76
$324.68
Sale
- Unit price
- /per
Flowmaster DBX Muffler (REAR): Chrysler 300 / Dodge Charger / Challenger (05-10)
Flowmaster
Regular price
$276.95
$245.95
Sale
- Unit price
- /per
Flowmaster 70 Series Chambered Muffler: Dodge Dakota / Durango / Ram (92-05)
Flowmaster
Regular price
$281.95
$249.95
Sale
- Unit price
- /per
Flowmaster Super 40 Series Chambered Muffler: Dodge Challenger (09-14) / Dakota (97-10)
Flowmaster
Regular price
$193.95
$171.95
Sale
- Unit price
- /per
Flowmaster Super 40 Series Chambered Muffler: Fits Chrysler / Dodge (04-13)
Flowmaster
Regular price
$192.95
$170.95
Sale
- Unit price
- /per
Cometic Gasket PowerTech .030in MLS Cylinder Head Gasket: Fits Dodge / Jeep (02-10)
Cometic Gasket
Regular price
$112.63
$101.37
Sale
- Unit price
- /per
aFe Sprint Booster V3 Power Converter: Fits Most Jeep 6.4L/6.1L/5.7L/3.8L/3.7L/3.6L (05-13)
aFe
$314.00
- Unit price
- /per
MagnaFlow High Flow Catalytic Converter: Jeep Grand Cherokee 2005 - 2006 3.7L
Magnaflow
$663.00
- Unit price
- /per
Magnaflow Direct Fit Catalytic Converter CARB (F&R): Jeep Commander / Grand Cherokee 05-07 3.7L V6
Magnaflow
$2,829.00
- Unit price
- /per
Gibson Black Ceramic Rolled Edge Angle Exhaust Tip: Fits Most Dodge/Ram 6.2L/5.7L/3.6L/3.0L EcoDiesel (09-23)
Gibson
$304.44
- Unit price
- /per
DiabloSport inTune i3 Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014
Diablo Sport
Regular price
$535.95
$499.95
Sale
- Unit price
- /per
DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Jeep Vehicles 2005 - 2014
Diablo Sport
Regular price
$787.95
$673.95
Sale
- Unit price
- /per
Liqui Moly Molygen New Generation Motor Oil 5W-30: Fits Most Jeep/Ram (20-25) (1L Case of 6)
LIQUI MOLY
$125.94
- Unit price
- /per
Earl's Perf Aluminum Oil Filter Relocation Kit: Fits Chrysler / Dodge / Jeep / Ram (08-20)
Earl's Performance
Regular price
$230.95
$212.95
Sale
- Unit price
- /per
Liqui Moly Molygen New Generation Motor Oil 5W-30: Fits Most Jeep/Ram (20-25) (5L Case of 4)
LIQUI MOLY
$383.96
- Unit price
- /per
Liqui Moly Molygen New Generation Motor Oil 5W-30: Fits Most Jeep/Ram (20-25) (5L Bottle)
LIQUI MOLY
$98.14
- Unit price
- /per
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Performance Upgrades for Your 3.7L V6 and 4.7L V8 Mopar Engines
The 3.7L V6 and 4.7L V8 engines serve as reliable, versatile Mopar powerplants found in various Dodge and Jeep models. These engines respond well to targeted performance upgrades that improve power delivery, throttle response, and durability while maintaining everyday drivability. Optimizing these engines with the right parts can enhance towing capability and add spirited driving performance.
Key Benefits of Upgrading Your 3.7L and 4.7L Engines
Both the 3.7L and 4.7L engines offer solid factory foundations, but bolt-on upgrades can unlock additional efficiency and power. Enhancements to intake and exhaust systems improve airflow, while ignition and tuning components refine combustion and throttle response. These improvements help your engine run stronger and more efficiently under various driving conditions.
- Improved torque for towing and hauling
- Enhanced throttle response and horsepower gains
- Better engine efficiency and reliability
- Maintains daily drivability with quality parts
Choosing the Right Performance Parts for Your Mopar V6 or V8
When selecting upgrades for the 3.7L or 4.7L, focus on components that complement the engine’s design and intended use. Cold air intakes and throttle body enhancements increase airflow, while exhaust headers and cat-back systems reduce backpressure. Upgrading ignition components and spark plugs ensures a stronger, more consistent spark. Finally, performance tuners and calibration tools optimize fuel and ignition timing for maximum efficiency.
Explore 3.7L and 4.7L Engine Upgrades at FastHemis
Whether you’re aiming to boost torque for towing or increase horsepower for spirited driving, FastHemis offers a curated selection of performance parts tailored to your 3.7L or 4.7L Mopar engine. Shop our collection to find intake kits, exhaust systems, ignition upgrades, and tuning solutions designed to unlock your engine’s full potential.