3.7L / 4.0L Engine Upgrades
aFe Air Filter: Dodge Ram 1500 / 2500 / 3500 2002 - 2026 (Inc. Classic)
aFe
from $91.00
- Unit price
- per
2 filter types
aFe Magnum FLOW Pro 5R Air Filter: Jeep Grand Cherokee 2005 - 2010
aFe
from $91.00
- Unit price
- per
2 filter types
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.