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      07-16-2021, 02:44 PM   #14
mike@x-ph.com
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Drives: 07-335/12-328/18-M4/21-M4CP
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Quote:
Originally Posted by ambitiousn20 View Post
so a valvetronic dual exhaust and rear diffuser swap wouldn't be a good idea? closed valves and taking off cold start shouldn't be too loud right? just enough to tune burbles when i'm on the road

if that's not a good idea, what's your opinion on getting an upgraded intake and inlet pipe solely for the sound?

ty for the recs
I don't think these 2 mods are a good idea if you want to keep it a secret

the inlet is fine, intake will be obvious if they open the engine hood or ride in the car with you
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