Flowmaster Flowmaster American Thunder Cat-back Exhaust System 817499 1985-gmc-p2500-esi2012227 Stainless steel button head fasteners

Stainless steel button head fasteners thread into the bracket for a simple installation and years of durable

Type III hard coat anodized body

6L 3V engines equipped with 8L3E coils

TIG-welded end tanks are designed to withstand vibration and repeated heat cycles without cracking or leaking

Grade 8 body bolts

Flowmaster Flowmaster American Thunder Cat-back Exhaust System 817499 1985-gmc-p2500-esi2012227 Stainless steel button head fastenersFor the person who is looking for a complete Cat 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. Delivers an aggressive exterior and moderate interior tone and is well suited to the enthusiast owner. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these