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      06-16-2018, 09:24 AM   #11
Brasko
#LSBM3
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Drives: 2016 BMW M3
Join Date: Feb 2015
Location: Oregon / Florida

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Quote:
Originally Posted by Celestion View Post
I replaced the secondary cats with an unresonated x-pipe and then straight-piped the resonator. It sounds like an S55 just louder (think v6 f-type) and waaay smoother. Spent $200 for parts and labor. Everyone who has heard it in person has agreed that its way better than the lawnmower OEM config.

Did you do this with OTS exhaust parts or did you start with an aftermarket mid-pipe? Please post pics/audio if you have. Would be great to see (and hear) the final outcome.
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