Hedman Exhaust Y-Pipe - 2-1/4 in Inlet - 2-1/2 in Outlet - Small Block Chevy - GM F-Body 1982-92 17478 MGSW The process of stress-flow forging

The process of stress-flow forging re-aligns the metal's grain structure within the contour of the caliper body

both in design and in our dealings with clients

MSD has also designed a cap and rotor specifically for the 12LT series

It doesn't get much hotter than that

Hedman Exhaust Y-Pipe - 2-1/4 in Inlet - 2-1/2 in Outlet - Small Block Chevy - GM F-Body 1982-92 17478 MGSW The process of stress-flow forgingHedman Hedders Ball And Socket Collector Y Pipe; For 68470, 68479, 68471, 68481 Uncoated These Y pipe assemblies are exclusively for use with Hedman Hedders part number listed, and will not fit other, "similar" style hedders. Select models are available with both gasket style, or ball & socket style collectors, to match the collector configuration on your specific set of Hedmans. Hedman Hedders Y Pipe Exhaust Pipe 17478 Y Pipe Replacement Ball Style Y