Okay... one more, totally newbie question... what is a Cat-back system. I am assuming its from the cat. convert back, in which case does getting the convert making any type of difference?
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Oh yea...#5, thats...
Cool... Thanks! Thats pretty much what I thought, with the exception on # 1... That was the one thing I read the most positive stuff about. Anyways, thanks you just saved me from wasting a few hundred bucks!
Is there any certain exhaust you can recommend...? Also, should i stick with 87 oct...
Hi all! I am just about ready to buy a 2007 Yukon SLT 4x4 5.3L (50k with all the bells and whistles). I absolutely love these trucks... drive, style, options, etc. The one thing preventing me from pulling the trigger is the MPG. I am well aware that being in the market for a SUV like this is not...
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