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Find Exhaust Systems for your Sierra 3500

Flowmaster American Thunder Single Exhaust System with Polished Tip; Side Exit (01-06 8.1L Sierra 3500)Find parts that fit my vehicle

Item SHG54121-81
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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features & Specs

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      • 3.50-Inch Mandrel-Bent 16-Gauge Stainless Steel Tubing
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      • Includes Hangers and Hardware for Easy Installation
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      • Large 4.00-Inch Polished 304 Stainless Steel Tip
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      • Moderately Aggressive Exterior Exhaust Tone
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      • Connects After Factory Catalytic Converter
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      • Uses Factory Hanger Locations
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      • Quick and Easy Installation
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      • Lifetime Limited Warranty
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      • Fits 2001-2006 8.1L Sierra 3500
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      Description

      Performance Exhaust System. The Flowmaster American Thunder Single Exhaust System with Polished Tip; Side Exit is engineered to improve exhaust flow while delivering a moderately aggressive sound. This system boosts throttle response and power, perfect for enthusiasts seeking a deep and powerful tone without excessive noise.

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      Construction and Appearance. Crafted from mandrel-bent 16-gauge 409 stainless steel tubing and featuring a large polished 4.00-inch 304 stainless steel tip, the system ensures durability and corrosion resistance. The chambered muffler has a black high-temperature paint finish, providing a subtle custom look. The tailpipe exits behind the right rear wheel for a clean, factory-style appearance.

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      Installation. The installation process is straightforward, utilizing factory hanger locations with included hangers and hardware. No drilling is required, enabling a quick and hassle-free upgrade.

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      Warranty. Backed by a lifetime limited warranty for long-term dependability and customer satisfaction.

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      Application. Designed specifically for 2001-2006 (2007 Classic) Chevrolet Silverado and GMC Sierra 3500 models equipped with the 8.1L engine, this cat-back exhaust system is ideal for trucks with dual inlet muffler configurations.

      Flowmaster 817328

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.7

      Customer Reviews (9)

      Questions & Answers

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      Will It Fit My Sierra 3500

      • 8.1L V8 - 01, 02, 03, 04, 05, 06