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Flowmaster

American Thunder Cat-Back Exhaust System Fits 2011-2019 Silverado/Sierra 2500Hd/3500Hd With 6.0L Engine Aggressive To Moderate Sound Flowmaster

$1,649.39

SKU: F00L 817541

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Flowmaster American Thunder Cat-back Exhaust System 817541 is designed for 2011-2019 Chevy Silverado and GMC Sierra 2500HD/3500HD trucks with 6.0L gas engines. This system features a stainless steel 50 Series HD muffler and dual 3.00-inch stainless steel mandrel bent tailpipes, configurable for dual exit out the sides or dual straight out the back, finished with polished 4.00-inch stainless steel tips.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandFlowmaster
Part NumberF00L 817541

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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