Blox Racing 11mm Viton O-Ring (Set of 8) (BXEF-OR-11-8) 1651 Skunk2's high-flow Racing Test Pipe

Skunk2's high-flow Racing Test Pipe for the 00-09 S2000 is designed to dramatically improve engine performance and increase horsepower by significantly reducing exhaust flow restriction

While the 2015-18 Subaru WRX utilizes a standard crank pulley design

Finishing off this exhaust system are dual 4-1/2 IN diameter black stainless steel clamp-on exhaust tips

One-piece carbon fiber sheet construction ensures consistent weave and strength

Blox Racing 11mm Viton O-Ring (Set of 8) (BXEF-OR-11-8) 1651 Skunk2's high-flow Racing Test PipeThese 11mm fuel injector O rings are made from Viton and are necessary to properly seat the injector. Viton O rings are available in 11mm and 14mm diameters and sold individually and in sets of 4 or sets of 8. Features: High quality at an affordable price Expertly made from premium materials Built to match your exact requirements