Quite a few guys don't do the muffler delete without the the secondaries. I am of the opinion of getting a BMW PE or other aftermarket muffler and use a resonator. My setup is Eisenmann catback and AA headers. No secondaries and it comes with a resonator, when fully warmed up it's quite mellow, but will scream and backfire when going WOT and downshifting aggressively, the exhaust shoots flames some times too lol
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DONE: Seibon CF Hood, M3 Rep, MSport rear w/DD CF Diffuser, M3 Rep Skirts, Seibon CSL trunklid, Forgestar F14 18s w/Michelin PSS, Eisenmann catback, AA Headers, BPC Stage 2, Charcoal Delete+revMotor+AFE Drop In filter
FUTURE MODS: LED headlights, CF rooftop, M3 Suspension Conversion, Dinan CAI Mod
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