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OkieSnuffBox · 02-02-2018, 03:03 PM

OP, are you saying catless downpipe and the rest of the exhaust is stock?

I'd love to hear a video of that, even though it seems there isn't too much gained without the cat on these cars with a tune?

02-02-2018, 03:03 PM	#13
OkieSnuffBox Major 1804 Rep 1,011 Posts Drives: '13 135i Join Date: Jan 2018 Location: OKC, OK iTrader: (0)	OP, are you saying catless downpipe and the rest of the exhaust is stock? I'd love to hear a video of that, even though it seems there isn't too much gained without the cat on these cars with a tune?
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