GMC 100 Exhaust Insert Mufflers

An overview on swapping turbo mufflers for chamber mufflers on a 1969 C/10 pickup. See how to extend the muffler length using exhaust pipe.

Hear how Pat's '64 Impala sounds with Hooker mufflers.

Some basic info on the various exhaust options carried by Speedway Motors.

Keep your rear cylinders running cool in a high performance engine by installing a water bypass kit to the intake manifold.