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Flowmaster FlowFX Dual Exhaust System with Black Tips; Middle Side Exit (99-06 4.3L Sierra 1500)Find parts that fit my vehicle

Item S543564-43
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$675.95

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      Product Information

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

      Features & Specs

      • Flow FX Cat-Back Exhaust System
      • Dual Same Side Out Exit
      • 409 Stainless Steel Exhaust System
      • 3.00-Inch To Dual 2.50-Inch Mandrel Bent Pipes For Improved Exhaust Gas Flow
      • Flow FX Straight-Through Muffler For Moderate To Mild Sound Level And Maximum Performance
      • Maximum Gains On The Dyno Measured At +14 Hp And +13 Lb-Ft At The Rear Wheels
      • Exits On The Passenger Side In Front Of The Rear Wheel
      • Dual 4.00-Inch Black Ceramic-Coated Tips For Added Style And A Custom Look
      • Uses All Existing Factory Hanger Locations
      • Includes Installation Instructions And All Necessary Hardware
      • Backed By Lifetime Limited Warranty
      • Fits 1999-2006 GM 1500 Sierra 4.3L Models

      Description

      Performance Exhaust Upgrade. The Flowmaster FlowFX Dual Exhaust System with Black Tips; Middle Side Exit enhances exhaust flow and delivers a moderate, aggressive sound tailored for performance. It improves your truck’s horsepower and torque while adding a distinctive visual style through its dual same-side exit design.

      Construction and Appearance. Crafted entirely from durable 409 stainless steel, this exhaust system features mandrel-bent piping for optimal flow, a straight-through muffler design, and dual 4-inch tips with black ceramic coating and angled cut ends. These materials ensure longevity, corrosion resistance, and an upscale finish that complements your truck’s aesthetic.

      Installation. The system installs easily using existing factory hanger locations with all necessary hardware and instructions included. No drilling or modifications are required, supporting straightforward, do-it-yourself installation.

      Warranty. This exhaust system is protected by a lifetime limited warranty.

      Application. Designed specifically to fit 1999-2006 GM 1500 models equipped with 4.3L engines, including crew cab 5.5-foot bed and extra cab 6.5-foot bed configurations.

      Flowmaster 717990

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

      4.6

      Customer Reviews (225)

      Questions & Answers

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      Will It Fit My Sierra 1500

      • 4.3L V6 - 99, 00, 01, 02, 03, 04, 05, 06

      Designed for a Extended Cab with a 6.50-Foot Standard Box and Crew Cab