Thread: Purchased Borla Catback System
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Old Sep 26, 2008 | 07:51 AM
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240M3SRT
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Default Re: Purchased Borla Catback System
Originally Posted by j-fire
says it's 2.5" piping. isn't the stock stuff 2.25"?
The stock pipes on our car are 2.25" but they collect into one 2.75" pipe after the resonator. The tips coming out of the stock muffler are dual 2". Small.
 
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