3in Complete Exhaust Kit 67-69 GM F-Body Air Intakes Heat is the enemy of

Heat is the enemy of performance

This allows exhaust gases to exit the turbine more efficiently and reduces backpressure on the turbine side

Exhaust System - Xtreme - Cat-Back - 3 in Diameter - Dual Side Exit - 4 in Black Polished Tips - Stainless - Natural - Ford Coyote - Ford Fullsize Truck 2021-24 - Kit

The internal diameter of the stock throttle body is bored larger increasing the airflow area

black ceramic coated and engraved angled tips are hard not to to take notice of

3in Complete Exhaust Kit 67-69 GM F-Body Air Intakes Heat is the enemy ofExhaust System American Thunder Header Back 3 in Diameter Dual Rear Exit Steel Aluminized GM F Body 1967 69 Kit