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      03-12-2019, 11:00 PM   #25
j1980mac
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Drives: 2018 X3 M40i
Join Date: Apr 2018
Location: Austin TX

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Quote:
Originally Posted by Presario View Post
On this car, I think catted downpipe and mid section resonator delete would be perfect. You retain the factory exhaust valve (which some exhausts delete) and tips that match the diffuser.

Muffler only (Dahler and Remus per videos) upgrade doesn’t sound much different than the factory exhaust.
That'd be a nice experiment, but I think it would drone like crazy.
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