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      01-14-2011, 03:42 PM   #23
txz4
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Drives: 2006 M coupe
Join Date: Oct 2010
Location: san antonio, texas

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Quote:
Originally Posted by Dubbedown View Post
Aside from weight savings, I doubt the Stebro muffler gave you any gains. I don't even claim that my Bastuck midpipe & muffler yielded any gains. At most, you shaved few pounds and it increased sound. Thats why if OP is serious about hitting any hp #s, he shouldn't even bother with the exhaust and just go straight for the headers and cats, which is where most of the restriction lies.
i didnt think so either but like i said i compared it to a friends car before and after and it was faster than previous runs. that and the throttle response is undeniably better. doubt its anything more than about 2 or 3 hp but its something.
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