ARP 742-4250 SAE Bolt Kit 3/8-24 x 4.250 12pt black oxide bolts ymm_32 - An additional original Porsche

- An additional original Porsche stock bracket (Porsche p/n: 99111147391) is required for mounting the Akrapovič exhaust system

the Evolution Link Pipe Set provides measurable increases in power and torque

Specifications Socket Size(s) 8mm 12pt UHL 55mm Thread Length 18mm Grip Length 37mm Thread Diameter-Spacing M6-1

750˝ Thread Diameter-Pitch 7/16-20 Grip Diameter 7/16˝ Wrenching (reduced) 7/16˝ Head Height 0

200 rpm recorded in back-to-back runs on the Akrapovič dyno against a Porsche 911 Turbo (992) using a Porsche stock sports exhaust system

ARP 742-4250 SAE Bolt Kit 3/8-24 x 4.250 12pt black oxide bolts ymm_32 - An additional original PorscheSpecifications Socket Size(s) 3 8 12pt UHL 4. 250 Thread Length 1. 100 Grip Length 3. 150 Thread Diameter Pitch 3 8 24 Grip Diameter 3 8 Wrenching (reduced) 3 8 Head Height (reduced) 0. 300 Collar Diameter (reduced) 0. 620