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      03-06-2024, 12:38 PM   #11
E92Bean
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Drives: '13 E92 M3 ZCP
Join Date: Jul 2022
Location: Washington

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Quote:
Originally Posted by MineralWhiteF80 View Post
All aftermarket filters with the stock intake box, with or without an aftermarket elbow will produce very close if not exactly the same sound.

The only way to get more induction sound above an aftermarket air filter is to:
1. Do the cabin filter cowl filters
2. Remove the top cover off the air filter box and run an "open filter" setup
3. Install new aftermarket carbon plenum.
I’m curious if running a carbon air box lid would produce a nice sound increase too. I’d get $30 cowl filters but rain is a concern for me. Along with the ecu being exposed.
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