How much would an aftermarket air filter increase horsepower on my 2004 chevy colorado 2.8 4cyl?

(2010-10-14 14:05:12) 1. Cameron Says: Nothing all it dose is make your truck sound louder, but you dont gain enough to even notice. Plus your trucks a 4 cyl so you would be what they call "ricing"

http://uncyclopedia.wikia.com/wiki/Ricer

Now real power comes from bigger engines, bores, strokes, bigger faster injection, etc. All bolt ons do is create illusion and take your money2. Bakon (future ex-con) Says: Not enough to notice, even a K&N air cone filter set up would only give you 5hp increase if your lucky. Tag: How much would an aftermarket air filter increase horsepower on my 2004 chevy colorado 2.8 4cyl?