Flowmaster Flowmaster American Thunder Cat-back Exhaust System 817499 1985-gmc-p2500-esi2012227 The negative terminal is on

The negative terminal is on the left side

When performance is a must

Grade 8 body bolts

6L 3V engines equipped with 8L3E coils

Flowmaster Flowmaster American Thunder Cat-back Exhaust System 817499 1985-gmc-p2500-esi2012227 The negative terminal is onFor 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