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Dreculah · 09-23-2019, 02:01 PM

Thanks!

I'm not sure a catted DP will give me much gain over stock, and also unclear it will pass emissions.

Hmmm...I might be learning the DIY for the downpipe if I have to swap it out every 2 years.

09-23-2019, 02:01 PM	#4
Dreculah Private 20 Rep 60 Posts Drives: 2007 E92 335i 6MT Join Date: Jun 2019 Location: San Ramon, CA iTrader: (0)	Thanks! I'm not sure a catted DP will give me much gain over stock, and also unclear it will pass emissions. Hmmm...I might be learning the DIY for the downpipe if I have to swap it out every 2 years.
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