Quote:
Originally Posted by Dollar Bill 535
Im a 2011 F10 535i too. You can get great turbo sounds from a JB4, muffler delete, ER catless downpipe, and BMS Performance Intake. I bought a GFB DV+, which would greatly enhance the turbo "purr", but the install is hard to justify since its tucked in by the turbo.
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I currently have gutted stock cat, muffler delete and resonator delete. Also have jb4 on the car. CAI is next to come, just wanting that blowoff whistle to complement the setup. I have this forum posted up in a few different sections tbh lol