Originally Posted by ms372
all depends on the money you spend... megnaflow has alot of drone from what i know n if you search around in the forum u will see reviews of it. i wouldn't recommend putting a cheap exhaust on an m3. best bang for you buck would be the exhaust mod for your stock exhaust try ACM exhaust mod
sounds like an oxymoron; Don't buy a cheap exhaust; just cut yours apart!