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      08-30-2012, 01:29 PM   #21
Roman@ESS
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Drives: ESS Supercharged E92 M3
Join Date: May 2007
Location: AZ

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Quote:
Originally Posted by raywong View Post
110-130 whp for stock car. That means at least 150 hp for catless?
Depends on the exhaust system. We have seen some cars make more than others with different systems. We never quote numbers or tell customers what power they will or will not make based on products we do not build so the gains you get from any aftermarket exhaust changes we will just say can vary.