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      02-05-2013, 09:57 PM   #10
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Drives: 2013 M3 Conv
Join Date: Dec 2012
Location: Phoenix, AZ

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Originally Posted by mkPOTO
Originally Posted by dmk08 View Post
Awesome. Does anyone know if there is any drastic HP difference in a tune + high flow cat x-pipe vs tune + no cat x-pipe?

I have the full evolve unit and made about 380whp, stock was like 35xwhp. I wish I had a dyno of my challenge race x-pipe.
I'm just concerned about removing 2 cats. Is there an option that just uses 4 high flow or is that a stupid idea?

2009 AM V8 Vantage Conv - Berwick Bronze, Quicksilver Exhaust
2013 M3 Conv - (RIP) thanks to uninsured a-hole
2004 Porsche 911 C4S Conv
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