Flowmaster American Thunder Dual Exhaust System - 1964-72 El Camino/GMC Sprint V8 29020BL 0-300 Degree F

0-300 Degree F

1987-1987 GMC V2500

Fast Air TemperatureFAST is the leading developer of electronic fuel injection systems

90 degree bend

Flowmaster American Thunder Dual Exhaust System - 1964-72 El Camino/GMC Sprint V8 29020BL 0-300 Degree FFor the person who is looking for a complete header back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle