Flowmaster American Thunder Dual Exhaust System - 1964-72 GM A-Body V8 29063P able to handle 3-9 GPM

able to handle 3-9 GPM Fuel Pumps Dual Springs expand operating pressure range while maintaining a low profile and reduced weight

Plastic / Steel

Continuous design improvements and improvements in materials and manufacturing techniques have resulted in Eagle being the largest and most respected aftermarket connecting rod and crank manufacturer in the industry

passion is defined by three generations of performance

Flowmaster American Thunder Dual Exhaust System - 1964-72 GM A-Body V8 29063P able to handle 3-9 GPMFor 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