American Thunder Crossmember-Back Exhaust System (BDXN-817409)

H-pipe Crossover for Maximum Power and Deep Tone

Super 40 Series Mufflers for Deep Powerful Sound

Mandrel-bent 16-gauge Stainless Steel Tubing

Includes Hangers and Hardware for Installation

Aggressive Exterior Exhaust Tone

Crossmember-back True Dual Exhaust System

Does Not Include Header Reducers or Downpipes for Factory Manifolds

Lifetime Limited Warranty

This American Thunder® exhaust system comes as a complete true dual crossmember-back exhaust for your 1968-1972 GM A-body with a V8 engine. These dual exhaust systems feature 2.50-inch mandrel-bent stainless steel tubing for maximum performance, includes a built-in H-pipe/balance tube flowing into a pair of large case Super 40® mufflers that deliver an aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The 2.50-inch tailpipes exit at a slight angle down under the rear bumper for a strong muscular look. The system includes all hangers and necessary hard ware for installation. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage and is covered by our Lifetime Limited Warranty.