Boost power and lift MPGs—the K&N FIPK Air Intake takes performance to the next level. The 57 Series cold air intake is custom-engineered with a famous K&N Filtercharger cone filter and crosslink nylon intake tract. Million Mile Limited Warranty.
Not sure which 1991 Ford F-150 Cold Air Intakes are right for you? We have over 18563 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"This cold air is awesome! Install was a little difficult by myself, but i managed. I can definitely feel the added horsepower and torque, and it really opens up the engine so it can breathe more. you can hear the difference too. Definitely worth the money." —Joey J from Arvada, CO bought a K&N 57 Series FIPK Air Intake (Fuel Injection Performance Kit) for a 1991 Ford F-150.