ARP 617-4500 SAE Bolt Kit 1/2-13 x 4.500 hex black oxide bolts ymm_17 the optional Akrapovič Sound Kit

the optional Akrapovič Sound Kit is available to control the exhaust valves at any time and allow the driver to choose the setting preferred

Fastener Assembly Lubricant

The use of lightweight materials and a different configuration reduces the overall weight of the exhaust by 9

Never requires free-air calibration when used with an AEM Controller and connector plug

ARP 617-4500 SAE Bolt Kit 1/2-13 x 4.500 hex black oxide bolts ymm_17 the optional Akrapovič Sound KitSpecifications Socket Size(s) 9 16 hex UHL 4. 500 Thread Length 1. 250 Grip Length 3. 250 Thread Diameter Pitch 1 2 13 Grip Diameter 1 2 Wrenching 9 16 Head Height 0. 450 Collar Diameter 0. 850