Valvetronic Design BMW M3 E9x V2 Midpipe*IN STOCK & READY TO SHIP!* This midpipe is quite different than most, featuring a freeflow x merge right after the transmission tunnel. This design helps allow for maximum exhaust scavenging and power gains throughout the rev range. Front resonators are added to reduce rasp. At the rear of the midpipe we have two 12 inch resonators to smooth the exhaust sound and provide noise mitigation. We also offer a catted version of the X pipe for those who do