American Thunder Crossmember-Back Exhaust System (BDXN-817174)

H-pipe Crossover for Maximum Power and Deep Tone

Super 44 Series Mufflers for Deep Powerful Sound

Mandrel-bent 16-gauge Stainless Steel Tubing

Includes Hangers and Hardware for Installation

Moderate to Aggressive Exterior Exhaust Tone

Crossmember-back True Dual Exhaust System

Does Not Include Header Reducers or Downpipes for Factory Manifolds

Lifetime Limited Warranty

For the person who is looking for a complete crossmember-back dual exhaust system for your 1955-1957 Chevy coupes and sedans. This American Thunder® system is manufactured from 2.50-inch mandrel-bent stainless steel for maximum performance and longevity, and includes a built-in H-pipe for a mellow smooth tone eliminating back rap on deceleration. The system includes a pair of Super 40® Series performance mufflers for a deep exterior sound, w ith a moderate interior tone and dual tailpipes tucked up high for clearance and exit straight out the back under the rear bumper. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts an d hardware for easy installation. Covered by our Lifetime Limited Warranty. Notes: Does Not fit wagons or convertibles.