Originally Posted by
boudreauxcody@hotmail.com
ight everybody i am new to this site and i have a 4.8 in my 05 ext cab chevy but i want to beef it up ALOT but not over do it...i already have a programmer ,k&n intake,exhaust, but i want more power and i hate to put a bigger engine cause this one gives me great gas mileage and dont have the money for a new motor but i have 24inch wheels on it and just want to pull them good and the trailers i pull...i was thinking bout some headers maybe a cam and not sure what else any help would be big time appreciated!!!!:)