Thread: GM Shorty Headers
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Old 09-26-2010, 09:23 PM   #8
mikeSS


 
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Drives: 2015 c7
Join Date: Nov 2009
Location: MI
Posts: 7,462
Quote:
Originally Posted by CamaroFTW View Post
Every test and post I have ever seen shows no performance increase with Shorties over stock manifolds. Get LT's or don't bother IMO.
or high flow cats ... cheaper then LTs
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