A/T Exhaust System - 67-74 GM F-Body Intercoolers or selling the unit a

or selling the unit a breeze

allowing efficient exhaust expansion while maintaining consistent flow characteristics

This intake is sealed tightly from the high temperatures found under the hood by utilizing a Dinan injected molded divider plate with an integral high flow passage that engages into the stock airbox housing

Exhaust System - American Thunder - Cat-Back - 3 in Diameter - Dual Rear Exit - 3 in Polished Tips - Steel - Aluminized - GM LS-Series - GM Fullsize Truck 1999-2007 - Kit

The stock system cools the intake charge by using a water-to-air intercooler

A/T Exhaust System - 67-74 GM F-Body Intercoolers or selling the unit aExhaust System American Thunder Header Back 2. 5 in Diameter Dual Rear Exit Steel Aluminized Small Block Chevy GM F Body 1968 74 Kit