3.7L / 4.0L Engine Upgrades
Magnaflow Direct-Fit Replacement Exhaust System: Dodge Ram 1500 06-08 5.7L/3.7L
Magnaflow
$406.00
- Unit price
- /per
Liqui Moly Top Tec 4200 New Generation Motor Oil 5W-30: Fits Most Jeep 6.4L/5.7L/3.6L/3.0L EcoDiesel/2.0L (20-25) (1L Case of 6)
LIQUI MOLY
$131.94
- Unit price
- /per
Liqui Moly Special Tec B FE Motor Oil 5W-30: Dodge Dakota 01-03 3.9L/2.5L, Jeep Grand Cherokee 99-04 4.0L (1L Case of 6)
LIQUI MOLY
$125.94
- Unit price
- /per
Liqui Moly Top Tec 4200 New Generation Motor Oil 5W-30: Fits Most Jeep 6.4L/5.7L/3.6L/3.0L EcoDiesel/2.0L (20-25) (5L Case of 4)
LIQUI MOLY
$403.96
- Unit price
- /per
Liqui Moly Longtime High Tech Motor Oil 5W-30: Fits Most Jeep 6.4L/5.7L/3.6L/3.0L EcoDiesel/2.0L (20-25) (1L Case of 6)
LIQUI MOLY
$137.94
- Unit price
- /per
Liqui Moly High Tech Motor Oil 5W-30: Fits Most Jeep 6.4L/5.7L/3.6L/3.0L EcoDiesel/2.0L (20-25) (5L Case of 4)
LIQUI MOLY
$411.96
- Unit price
- /per
Liqui Moly Special Tec AA Motor Oil 5W-30: Fits Most Jeep/Ram (20-25) (1L Case of 6)
LIQUI MOLY
$89.94
- Unit price
- /per
Magnaflow Direct Fit Catalytic Converter OEM Grade: Dodge Ram 1500 06-08 5.7L/3.7L
Magnaflow
$860.00
- Unit price
- /per
Superchips Flashcal and Amp'd 2.0 Kit: Fits Most Dodge / Ram Models 2007-2017
Superchips
Regular price
$731.95
$628.95
Sale
- Unit price
- /per
Superchips Wireless Amp'd 2.0 Pedal Controller: Fits Most Dodge / Ram / Chrysler Models (2005-2026)
Superchips
Regular price
$322.95
$268.95
Sale
- Unit price
- /per
Liqui Moly Special Tec LL Motor Oil 5W-30: Fits Most Chrysler / Dodge / Jeep Models (5L Bottle)
LIQUI MOLY
$97.58
- Unit price
- /per
Liqui Moly Special Tec LL Motor Oil 5W-30: Fits Most Chrysler / Dodge / Jeep Models (1L Bottle)
LIQUI MOLY
$21.06
- Unit price
- /per
Liqui Moly Special Tec B FE Motor Oil 5W-30: Dodge Dakota 01-03 3.9L/2.5L, Jeep Grand Cherokee 99-04 4.0L (5L Bottle)
LIQUI MOLY
$97.94
- Unit price
- /per
Liqui Moly High Tech Motor Oil 5W-30: Fits Most Jeep 6.4L/5.7L/3.6L/3.0L EcoDiesel/2.0L (20-25) (5L Bottle)
LIQUI MOLY
$105.85
- Unit price
- /per
Liqui Moly Longtime High Tech Motor Oil 5W-30: Fits Most Jeep 6.4L/5.7L/3.6L/3.0L EcoDiesel/2.0L (20-25) (1L Bottle)
LIQUI MOLY
$23.40
- Unit price
- /per
Liqui Moly Molygen New Generation Motor Oil 5W-30: Fits Most Jeep/Ram (20-25) (1L Bottle)
LIQUI MOLY
$21.15
- Unit price
- /per
Liqui Moly Special Tec AA Motor Oil 5W-30: Fits Most Jeep/Ram (20-25) (5L Bottle)
LIQUI MOLY
$70.94
- Unit price
- /per
Liqui Moly Top Tec 4200 New Generation Motor Oil 5W-30: Fits Most Jeep 6.4L/5.7L/3.6L/3.0L EcoDiesel/2.0L (20-25) (5L Bottle)
LIQUI MOLY
$103.38
- Unit price
- /per
Liqui Moly Top Tec 4200 New Generation Motor Oil 5W-30: Fits Most Jeep 6.4L/5.7L/3.6L/3.0L EcoDiesel/2.0L (20-25) (1L Bottle)
LIQUI MOLY
$23.03
- Unit price
- /per
Magnaflow Direct Fit Catalytic Converter CARB (PASSENGER): Dodge Ram 1500 05 5.7L Hemi
Magnaflow
$1,743.00
- Unit price
- /per
aFe Magnum FLOW Pro 5R Air Filter: Jeep Grand Cherokee 2005 - 2010
aFe
from $91.00
- Unit price
- /per
2 filter types
Fel-Pro Transmission Oil Pan Gasket 14 Bolt: Fits Most Dodge/Jeep (92-10)
Fel-Pro
$24.65
- Unit price
- /per
Flowmaster 40 Series Chambered Muffler: Dodge Challenger 2014 / Dakota (97-10)
Flowmaster
Regular price
$114.95
$101.95
Sale
- Unit price
- /per
MagnaFlow HM Grade Direct Fit Catalytic Converter (PASSENGER): Dodge Ram 1500 04-05 5.7L Hemi w/ Torca Clamp
Magnaflow
$464.00
- Unit price
- /per
Superchips Flashcal Calibration Tool: Dodge Ram 1500 / 2500 / 3500 (98-17)
Superchips
Regular price
$337.95
$285.95
Sale
- Unit price
- /per
MSD Ignition DIS-4 Plus Ignition Control: Fits Chrysler / Dodge / Jeep (92-06)
MSD Ignition
Regular price
$1,094.95
$913.95
Sale
- Unit price
- /per
S&B Filters Body Mount Kit Regular/EXT Cab: Dodge Ram 2003-2005 3.7L/4.7L V8
S&B Filters
$449.00
- Unit price
- /per
Liqui Moly Top Tec 4600 Motor Oil 5W-30: Fits Most Jeep 6.4L/5.7L/3.6L/3.0L EcoDiesel/2.0L (20-25) (5L Case of 4)
LIQUI MOLY
$427.96
- Unit price
- /per
Liqui Moly Top Tec 4600 Motor Oil 5W-30: Fits Most Jeep 6.4L/5.7L/3.6L/3.0L EcoDiesel/2.0L (20-25) (5L Bottle)
LIQUI MOLY
$109.39
- Unit price
- /per
OMIX Air Filter: Jeep Commander 06 5.7L/3.7L, Jeep Grand Cherokee 05-06 5.7L
OMIX
$11.99
- Unit price
- /per
MagnaFlow Off-Road Cat-Back Exhaust: Dodge Ram 1500 2009 - 2010 (4.7L, 5.7L Hemi) / Ram 2011 - 2018 (5.7L Hemi)
Magnaflow
$886.00
- 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.