solar_eclipse2

My truck is a 2002 F-150 XL. The engine is a 4.2L V6 and I was wondering what I could do to it to get more HP and more torque out of it while still being reasonable about the money. Some people say I should get a cold air intake others say a new exhaust system. I was wondering if anyone could give me some more advice?

big1

Both will surely help. If you do the exhaust don't just go with just a "CAT BACK" system this leave's to much restriction left in the system by the cat. Install a zero or low back pressure cat. convertor.
You can also use your search engine and get in touch with CLIFFORD REASERCH. These guy's have probably forgotten more about Ford six cylinder's than other's claim to know.

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89F150

Yep there pretty much the basics of getting more power. Other things could be electric fans, a chip and gears but these can be kind of expensive.
Could also check out http://www.troyerperformance.com/