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      11-07-2012, 02:47 PM   #39
Brigadier General

Drives: 2013 e92 M3
Join Date: Dec 2006
Location: Monarch Beach

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Originally Posted by jdemetry View Post
OP's talking about passing SMOG tests and everyone is recommending getting rid of his cats. What am I missing?
No kidding people.

Without going with a catless set up, best bang for buck is R&P (higher numerical gearing) and a tune. Only a modest power increase with the tune, but the gearing change will allow for quicker acceleration in every gear. Coupled together (gearing + tune), you will feel a significant "seat of your pants" improvement.
Newly acquired: 2015 991 Turbo S
Daily: 2013 e92 M3 DCT / ESS VT2 650 S/C / Akrapovic Evolution / StopTech BBK
Track/Airstrip: 2011 997.2 Turbo S PDK / GIAC FBO / GMG suspension build
Beaterz: 2013 X5 3.5 Sport, 2015 Wrangler Unlimited
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