ARP 201-4602 Head Stud Kit for BMW 3.0L & 3.4L (M30) SOHC inline 6 ymm_30 ECE Type Approval: Yes (invalid

ECE Type Approval: Yes (invalid with Akrapovič Sound Kit

Description ARD 186631-01 Catless Downpipe Set with Heat Shield for BMW M3 (F80) / M4 (F82 / F83)

this system is designed to replace the Porsche Sport Exhaust system

With the use of the optional Akrapovič Sound Kit

Please choose TP-CT/59 for X3 M / Competiton model

ARP 201-4602 Head Stud Kit for BMW 3.0L & 3.4L (M30) SOHC inline 6 ymm_30 ECE Type Approval: Yes (invalidIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, theres not a better stud setup on the market today. For openers, ARP uses a premium grade 8740 alloy that is rated far superior to aircraft quality. Each stud is placed vertically in special racks and precisely heat treated to 200, 000 psi. This procedure ensures complete heat