American Thunder Cat-Back Exhaust System

American Thunder Cat-Back Exhaust System

Please note images may not always reflect actual product.

  • American Thunder Cat-Back Exhaust System
  • American Thunder Cat-Back Exhaust System
  • American Thunder Cat-Back Exhaust System
  • American Thunder Cat-Back Exhaust System
Product Features
Configure Vehicle Fitment

List Price: $459.19 - $2,141.80

$382.66 - $1,784.83

Quantity of selected product sets can be changed in the shopping cart.

View Product Options

Flowmaster American Thunder Exhaust Systems will deliver a truly classic sound to your classic American big performance engine, allowing you to choose between a Mild-Moderate Sound, a Moderate Sound, an Aggressive Sound, a Moderate-Aggressive Sound, or Mild Sound. The exhaust systems will not disappoint you with their deep performance rumble, making them ideal for a wide variety of vehicles, from ponies to sleepers. They will improve your vehicle's performance by giving you aggressive power gains and increasing your torque. Each exhaust system comes to you pre-tuned on a Dynometer. The systems are designed for a perfect fit on your custom make and model.

Flowmaster American Thunder Exhaust Systems will equip your vehicle with a sound that has become a recognized as a true symbol of American power worldwide! The systems are the most popular systems out of the entire Flowmaster exhaust lineup. They deliver power gains, torque gains, and improved throttle response and mileage to enthusiasts across the globe!

Flowmaster Exhaust Systems will give your vehicle aggressive performance gains, while delivering a deep and throaty tone! The exhaust system comes pre-tuned to ensure your vehicle's performance is maximized. Flowmaster Exhaust Systems are available in 5 different series, each featuring varied technologies and tuning so you can chose the one which best complements your personal needs and style for a unique tone and character.

Flowmaster Exhaust Systems feature one of two innovative technologies, Delta Flow and Laminar Flow, both of which deliver a distinct sound and can be custom tuned for the perfect exhaust note. The systems allow such complete control that they remain a top choice for both racers focused on achieving aggressive power gains, and the U.S. Air Force for use in stealth missions, in which case complete silence and minimal heat emissions are a top priority!

Flowmaster Exhaust Systems are perfect for any truck, SUV or off-road monster! They will meet the needs of the daily driver, the muscle car racer, the euro-spec cruiser and even sport compact vehicle owner! The stainless steel exhaust systems are backed by a limited Lifetime Warranty. This means you can rest assured that your exhaust system will outlive your vehicle! The aluminized steel exhaust systems are backed by a 3-year warranty.

Flowmaster American Thunder Exhaust Systems will deliver a truly classic sound to your classic American big performance engine, allowing you to choose between a Mild-Moderate Sound, a Moderate Sound, an Aggressive Sound, a Moderate-Aggressive Sound, or Mild Sound. The exhaust systems will not disappoint you with their deep performance rumble, making them ideal for a wide variety of vehicles, from ponies to sleepers. They will improve your vehicle's performance by giving you aggressive power gains and increasing your torque. Each exhaust system comes to you pre-tuned on a Dynometer. The systems are designed for a perfect fit on your custom make and model.