Buy K & N 57-3031-1 Fuel Injection Performance Kit Gen2 Air Intake KitK & N 57-3031-1 Fuel Injection Performance Kit Gen2 Air Intake Kit Product Description:
- More usable power and acceleration throughout the engine's RPM range; Estimated horse power gain claimed by manufacturer 20.34 hp @ 4,894 rpm.
- Easy to install, usually in 90 minutes or less and lasts up to 100,000 miles before service is required, depending on driving conditions
- Engineered to specific vehicle design and works with original manufacturer computer systems; See vehicle search above for compatibility
- CARB exempt and street legal in all 50 US States and comes with a million mile limited warranty..
- Over sized conical filters replace OEM filter and air box are and is washable and reusable
Product Description
The kit replaces your vehicle's restrictive factory air filter and air intake housing. K&N intake systems are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your vehicle's engine to inhale a larger volume of air than the OEM air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The filters on these kits are washable, reusable and easy to install with tools commonly available.
Customer Reviews
Most helpful customer reviews
2 of 2 people found the following review helpful.
By roger
purchased this for my 03 silverado 2500hd..I wasnt crazy about it, it was just ok. seemed cheaply designed and made which suprized me because ive always bought K&N. On the heat shield there is a rubber trim that goes around it seems like it would be better if it was curved to fit correctly instead of just straight, looked a mess was coming off and hard to keep on. Gasket that went on tube to connect to the intake manifold looked cheap like it was just made out of the same stuff as like a rubber belt. Also the directions said you may have to trim your fan shroud to make the tube fit and that wasnt happening so I decided to go with the Volent intake and it was bad a$$ check it out I am very happy with it. Looks cool and does what its supposed to do.
1 of 1 people found the following review helpful.
By Ian Gwaltney
A little better gas mileage if i can keep my foot out of it. More power, especially for towing. sounds great.
1 of 1 people found the following review helpful.
By T. Woodruff
I just put this on my truck. It was maybe a 1/2 hour to install it. Very easy. I bought it because I tow a trailer. It made a noticeable differencein performance. It sounds good too.
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