American Thunder Header Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X-Member Back/H-Pipe/Super 40 Series™ Mufflers/3.0 in. Stainless Tips;
For the person who is looking for a complete Header-back dual exhaust system, these systems are mandrel bent for maximum performance and include specially selected mufflers. This American Thunder systems delivers a moderate to aggressive interior and exterior tone and is suited to the enthusiast who wants their performance to be heard. 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. Constructed out of 409S stainless steel and carrying out limited life time warranty.
  • Mandrel Bent 16 Gauge 409 Stainless Tubing
  • Limited Lifetime Warranty
  • Moderate to Aggressive Exterior Exhaust Tone
  • Incl. Hangers and Hardware For Easy Installation
  • Header Back System
  • Dual Out Rear Exit
  • Dyno Tuned for Maximum Performance
  • Premium Flowmaster Quality

Application Summary:

Year Make/Model
1955-1957 Chevrolet Bel Air
1955-1957 Chevrolet One-Fifty Series
1955-1957 Chevrolet Two-Ten Series

Additional Information:

Fast Efficient Shipping

Through our distribution network Deliveries can be as fast as Next Day Delivery.
Delivery times vary by destination, tracking information is provided with every purchase.

Get it Installed

JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

* Extend your products Manufacturer Warranty

All products include a manufacturer warranty, but you can extend this warranty with
JB's Purchase Protection Plan
*Available on select products.