ARP 642-0500 SAE Bolt Kit 3/8-16 x 0.500 12pt black oxide bolts ymm_22 remapping the ECU is mandatory

remapping the ECU is mandatory to prevent potential “check engine light” warning signals

With a cast collector on the link pipe

Specifications Socket Size(s) 7/16 hex UHL 0

Installation of the Akrapovič Sound Kit invalidates the ECE type approval of the exhaust system

and it gives the rear of the GT4 a more aggressive and sporty feel

ARP 642-0500 SAE Bolt Kit 3/8-16 x 0.500 12pt black oxide bolts ymm_22 remapping the ECU is mandatorySpecifications Socket Size(s) 3 8 12pt UHL 0. 500 Thread Length 0. 500 Grip Length n a Thread Diameter Pitch 3 8 16 Grip Diameter 3 8 Wrenching (reduced) 3 8 Head Height (reduced) 0. 300 Collar Diameter (reduced) 0. 620