ARP 611-1750 SAE Bolt Kit 1/4-20 x 1.750 12pt SS bolts ymm_36 Large underhead radius for enhanced

Large underhead radius for enhanced load distribution

The diffuser is available in a matte or high-gloss finish to complement the tailpipes of the Slip-On Race Line (Titanium) exhaust

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

2500 Series 1960-1963

Fitting kit for mounting on BMW M3 (G80) P-HF1481

ARP 611-1750 SAE Bolt Kit 1/4-20 x 1.750 12pt SS bolts ymm_36 Large underhead radius for enhancedSpecifications Socket Size(s) 5 16 12pt UHL 1. 750 Thread Length 1. 000 Grip Length 0. 750 Thread Diameter Pitch 1 4 20 Grip Diameter 1 4 Wrenching 5 16 Head Height 0. 255 Collar Diameter 0. 515