Exhaust Exhaust Pipes, Systems and Components

Flowmaster

Flow Fx Cat-Back Exhaust System Fits 2020-2025 GM 2500Hd/3500Hd 6.6-Liter Gas, Cat-Back, Dual Side Exit, Stainless Steel Exhaust System Flowmaster

$1,044.96

SKU: F00L 718111

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 Flow FX Dual Exhaust System with Black Tips; Side Exit enhances exhaust flow, increasing horsepower and torque. It provides a balanced, moderate sound. Crafted from durable 16-gauge 409 stainless steel with mandrel-bent piping, it features a Flow FX straight-through muffler and 4.50-inch black ceramic coated tips for durability and a custom look. Installation is straightforward using factory hanger locations; no drilling required. Backed by a Lifetime Limited Warranty.

Fitment

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Specifications

BrandFlowmaster
Part NumberF00L 718111

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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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