01-08-2024, 10:36 AM | #23 | |
Colonel
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Drives: 2024 M4 Convertible
Join Date: Jun 2017
Location: USA
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Quote:
Don't worry about it. Downpipes are not worth it if you like your warranty. You can get fantastic sound from just a midpipe swap and increase volume of that with an axleback swap. Dealers and BMW won't care one bit about those two things. |
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01-10-2024, 10:25 AM | #25 |
Minor General
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