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Flowmaster
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
SKU: F00L 818140
Easy — 1–2 hours
Description
Part #: 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 durabilityDual out the rear or out the side exit optionsIncludes complete hardware and factory styled hangers in the stock locations for an easy installation50 HD series muffler delivers a moderate sound level inside and out, along with increased performance3.50-inch polished stainless steel tips add a custom lookBacked by Flowmaster (TM)s Lifetime Limited Warranty
MIA's Description
Fitment
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Specifications
| Brand | Flowmaster |
| Part Number | F00L 818140 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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