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      09-04-2012, 04:52 AM   #14
slicer
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Drives: '13 E92 M3
Join Date: Jan 2009
Location: San Diego, CA

iTrader: (25)

I like my ess tune but I have the akra full evo system / tune. As others have stated, it appears as if you have the stock cats. It should pass smog considering it has the cats. Isn't it legal in ca to alter the mufflers as long as cats are in place? My car is registered in mn so I don't have these concerns.
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'13 E92 M3 - Alpine White - 1 Option (DCT), Ohlins TTX, AP Racing, Cobra Seats, Akrapovic GT4, BBS E88 and RI-A, M3 GTS - Steering Wheel, Aero, 1/2 Cage, Seat Delete