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      11-03-2012, 01:14 PM   #24
Longboarder
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Drives: 2013 e92 M3
Join Date: Dec 2006
Location: Monarch Beach

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Any x-pipe with the primary cats removed will help. If you're on a budget, just take a good muffler shop and have the cats removed. Probably the cheapest 20 RWHP you will pick up. The next cheapest option would be a catless x-pipe. It will be loud however. The best of all worlds is probably a titanium exaust with high flow cats like the Akra Evolution but probably going to throw you back $6K or so.
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Daily: 2013 e92 M3 DCT / ESS VT2 650 S/C / Akrapovic Evolution / StopTech BBK
Track/Airstrip: 2011 997.2 Turbo S PDK / GIAC FBO @ 30psi / BBi suspension build
Beaterz: 2013 X5 3.5 Sport, 2015 Wrangler Unlimited
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