September 25, 2010no not cut off
shave it down thinner
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December 21, 2010take the silencer out of the airbox, descreen the maf, cut off the silencers from the intake tube and use abs glue to seal the holes left... only thing youll have to buy is abs glue... im guessing that gives you close to 5 rwhp in a 5.3, and you can def hear/feel the difference howbeit a small one, replace your air filter with a high flow one and itll work a little beter(costs money though), ive done all this, gained a little gas mileage like 1mpg lol, take off your tailgate (wont help off the line traction unless you just leave it on in the down position but will def help mpg) i removed the tray that holds the airbox and cut open the bottom of the airbox (its a little extreme but its def getting more air) you wont want to do that if you drive in alot of wet weather, just cut the hole in the inner fender to be around 5" round or so, then match it to the airbox, use some airconditioning window foam to seal it and youve got a poormans cold air intake, if you wanna do more then rout some ducting form the bottom of the bumper to the inner fender to make a ram air effect(but again unless you have the ducting=more money)... im going to be getting a new air box bottom from the junkyard and do this to keep water out of my intake(unless someone has one they dont need )... ill try to get some pics and post them em up, probably be a while though as im trying to get my racecar ready for spring and most of my time/money is devoted to that...
October 10, 2011Umm...what year is it? I`ve done the (hat-trick)..(flip the breather cap upside down and it opens your air intake) and I`ve taken about half my exhaust off and it is a 4.3 V6 that everybosy who hasn`t see under the hood swears is a V8, and it doesn`t sound like a pissed off foreign yellowjacket..If it`s anywhere before 1999, this is a couple ways to EASILY gain on hp without losing gas milage. Orr..buy a small plastic bottle with the words (OCTANE BOOSTER) on the front, and performance antifreeze..yup!
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