K&N Fuel Injection Performance Kit

I had a K&N Drop-In air filter since I bought the Xterra but I wanted to get as much power as I could from the engine.  Since I had gotten the new BFG Mud Terrains there wasn’t alot of power left for passing on the freeway, I hoped upgrading the intake would help.

The K&N FIPK is a very complete setup and has passed California Emissions so it won’t stop you from passing your safety and emissions checks every year.  It would be a bit better if the engine heat shield had a bottom to it help keep more heat and mud out but it doesn’t take much to create your own bottom and bolt it in.  The included instructions are so complete they’re nearly idiot proof.fipk


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