How can I get more power out of my 4.0 Jeep engine?

So dust off that credit card and upsize your power without upsizing your engine.

1. Cold Air Intake. The factory filter and air box offers a slight restriction in intake air flow.
2. 62mm Throttle Body.
3. High Performance Ignition.
4. Header.
5. After-Cat Exhaust/High-Flow Cat.
6. More Fuel.
7. Electronic Tuners & Tricks.

How much power can a 4.0 i6 handle?

The engine’s horsepower was quadrupled using 20 pounds of boost and water-meth injection. The Jeep’s 4.0-liter straight-six engine’s maximum of 190 horsepower and 235 pound-feet of torque made the Jeep famously reliable if a little slow.

Are Jeep 4.0 engines reliable?

The Jeep 4.0L I-6 is extremely reliable. If you Googled that engine, or went onto various Jeep forums, you’d be hard pressed to find one that died after any number of miles – providing it was properly serviced during its life.

How can I make my Jeep faster?

Top Products For Adding Horsepower and Torque

1. Upgrade your Air Intake for best bang-for-your-buck. Feeding your motor crisp, fresh air is the key component to getting Jeep Wrangler increase horsepower and torque.
2. Smooth, controlled power with a Throttle Body Spacer.
3. The ultimate in horsepower upgrades: a Supercharger mod.

How long will a Jeep 4.0 last?

250K+ miles before the 4.0L needs an overhaul is very common. It’s a pretty bulletproof engine.

How can I get more horsepower out of my Jeep?

How can I improve my Jeep performance?

How To Improve Jeep’s Performance

1. Replacing the factory air filter or intake system on your Jeep with a high flow air filter or aftermarket intake system.
2. Upgrading your stock Jeep exhaust to an aftermarket performance exhaust system allows the engine exhaust gases to rapidly disperse from your Jeep.