Originally Posted by m3an
all you need is a length of reg pipe welded closed on one end. OP (like AA) decided to use a resonator.
Precisely! I used an OBX generic resonator (like they all are), from ebay, and just bought fender washers (2.5" diameter), in which the hole was only a centimeter around. It was simply welded shut and polished a bit to make it look cleaner.
Like m3an said, i modeled it after AA, but a standard pipe would work. I just wanted to make it look cooler, is all.
2008 (07/08) E92 M3 BPM Stage II Tuned by Mike Benvo, 6MT, Turner Test Pipes, Magnaflow Custom Catback Exhaust (Magnaflow X Pipe, secondary cat delete, Aero Resonators and Helmholtz Chambers),Vorsteiner CF Lip, Hamann Style CF rear diffuser, CF Rear Decklid Spoiler, BMW Performance Kidney Grills, CF Side Grills, OEM GTS Wheels, K&N Drop-In Filter, GP Thunder 8k Angel Eyes, Painted Reflectors.