i got a muffler delete today with silverline tips!!!
btw. is it normal to have like a little bit of a whistling sound??
will be updating with pics and vids!!=]
2011 GTR - bone stock.
2010 E92 M3 AW = M-DCT. Evolve Tune. Arkym lip/diffusor. Vorsteiner carbon bootlid. RD sport springs. APEX ARC-8. Hankook Rs-3. TechTec full catless exhaust. RPI scoops. BMC filters. V1 hardwired.