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      12-15-2024, 10:31 AM   #6
M5 Hayden
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Drives: 2012 BMW M5, 2007 BMW 335d Coupe
Join Date: Jun 2022
Location: Auckland

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Catless will definitely bring up the sound of your V8 but won’t be too loud as long as you keep your cat back stock remember you also have valves in your mufflers it’s also better to go catless if you’re leaking valve stem seals (mine does) so it won’t clog your cats on the long run
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