Flowmaster Outlaw Exhaust System - Axle-Back - 2-1/2" Tailpipe - 3-1/2" Tips - Stainless 20194XSSW Thanks to the innovative design

Thanks to the innovative design which incorporates mounting and routing for these options at the time of manufacture

Chevrolet: Express 4500 21 - 21 6

1/4 in NPT Female Port

Whether you prefer a manual

pushrod diameter: 3/8 (width of slot in guide plate)

Flowmaster Outlaw Exhaust System - Axle-Back - 2-1/2" Tailpipe - 3-1/2" Tips - Stainless 20194XSSW Thanks to the innovative designFlowmaster's Outlaw Axle back systems are race oriented systems designed to replace original rear mounted mufflers located behind the rear axle using factory style connections. Outlaw systems deliver an ultra aggressive interior and exterior tone and are suited to the enthusiast who wants the most aggressive components they can purchase. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an