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Old 11-01-2015, 02:15 AM   #3
dddavidv
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Join Date: Dec 2014
Drives: Subaru BRZ Special Edition
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Quote:
Originally Posted by steve99 View Post
you might want to have a read the "Basic Bolt On Mods Guide" link below.

Cat less header alone will make your car much louder (and you will trigger CEL code)

Without a tune your header will not generate much power increase just noise.

Cat-less header, high flow cat/cat-less front pipe and perrin exhaust (even resonated) is going to be pretty loud. The stock cat in front pipe cuts down a fair bit of rasp and noise.

Everyone judgement of loud varies though :-)

Maybe just do the header first and see how loud it is then maybe do frontpipe/overpipe in one go later on.
Ahh right, thanks for that! Oh and any suggestion on what uel header to get?
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