American Thunder Crossmember-Back Exhaust System 1955-1957 Chevrolet Cars With V8 Engine Aggressive To Moderate Sound - Flowmaster - 817174

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, with 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 and hardware for easy installation. Covered by our Lifetime Limited Warranty. Notes: Does Not fit wagons or convertibles.


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