American Thunder Cat-Back Exhaust System Fits 2022-2025 Toyota Tundra 3.4-Liter, Cat-Back, Dual Out Rear/Side Exit, American Thunder Stainless Steel Exhaust System - Flowmaster - 818140

This Flowmaster American Thunder cat-back exhaust system for the 2022-2025 Toyota Tundra with the 3.4-liter engine is manufactured using durable 409 stainless steel throughout and features 2.5-inch mandrel bent pipes for better exhaust gas flow. A 50 HD series muffler is used for maximum performance and delivers a moderate sound inside and out.

This system offers dual out the rear or side exit options with 3.5-inch polished stainless steel tips for a custom look. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.


2.50-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability

Dual out the rear or out the side exit options

Includes complete hardware and factory styled hangers in the stock locations for an easy installation

50 HD series muffler delivers a moderate sound level inside and out, along with increased performance

3.50-inch polished stainless steel tips add a custom look

Backed by Flowmaster’s Lifetime Limited Warranty