03-21-2023, 09:15 PM | #1 |
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Removing primary and secondary cats
Hi guys getting ready for a tune and always want more (stg 2) like all of us here lol When just cruising around and flaps close how much louder is it with just the 4 cats removed, I sure like how quiet it can be right now.
Thanks
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2019 BMW M5C
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04-03-2023, 06:06 PM | #2 | |
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