ARP 651-4500 SAE Bolt Kit 5/16-18 X 4.500 hex black oxide bolts ymm_23 The downpipe features a sporty

The downpipe features a sporty catalytic converter and delivers an enhanced sound with pure racing feedback at high revs

but technology allows for free-air calibration as sensor ages if user desires

400 rpm when tested on the Akrapovič dyno against a BMW X5M ith a stock M Sport exhaust system for comparison

Specifications Material ARP2000 1) Thread Size 5/16˝ 2) UHL 1

Blazer 1969-1982

ARP 651-4500 SAE Bolt Kit 5/16-18 X 4.500 hex black oxide bolts ymm_23 The downpipe features a sportySpecifications Socket Size(s) 3 8 hex UHL 4. 500 Thread Length 1. 000 Grip Length 3. 500 Thread Diameter Pitch 5 16 18 Grip Diameter 5 16 Wrenching 3 8 Head Height 0. 300 Collar Diameter 0. 620