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Hi, I have a 2003 F-150 4x4. I was just wondering if anyone had any suggestions on what to do with it performance wise. I already have the K&N cold air filter. I was thinking of getting a mean sounding exhaust maybe with a x or h pipe if possible. Also a programmer and some headers.
There is always a lot of talk about upping performance in the trucks and the tech forums are stock full of good info from those who have done them. Click on the Forums tab at the upper left and checkout the boards. There is one for your year of truck and another discussing programmers and other mods. While your looking around be sure and stop in your state chapter to: https://www.ford-trucks.com/forums/forum124/