Our exhaust system on our 1968 Chevy Nova has taken a beating due to a broken driveshaft at 5,600 rpm, so we just had to gain the power back with Hooker Headers Competion headers and with a Summit ...

When building an exhaust system there are some rough guidelines for pipe diameter. In most cases a 2-inch dual system is good for up to 275 hp, a twin 2 1/4-inch system will handle up to 375 hp ...