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Flowmaster Force II Dual Exhaust System; Side/Rear Exit (14-18 4.3L Sierra 1500)

Item S503513
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17 Reviews
Our Price

$1,177.95 kit

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      Product Information

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

      Features & Specs

      • Split Side and Rear Exit Cat-Back Exhaust System
      • Produces Moderate Exhaust Sound Level
      • Superior Interior and Exterior Sound Maintenance
      • Signature Delta Flow Technology 
      • Dyno Tuned for Superior Performance
      • Features 50 Series Muffler
      • 2.5-inch Mandrel Bent Tailpipes
      • 304 Stainless Steel Polished Tips
      • Simple and Swift Bolt-On Installation
      • Welding Required
      • Lifetime Limited Warranty
      • Fits All 2014-2018 4.3L GMC Sierra 1500 Double and Crew Cab Models
      • Not Compatible with 2WD Crew Cab w/ 2-Piece Driveshaft

      Description

      A Sound Preference. The Flowmaster Force II Cat-Back Exhaust - Split Side/Rear Exit is for drivers who can appreciate the sound of easy moderation. This ultra-designed split side rear exit cat-back exhaust system produces a moderate exhaust sound level with a superior interior and exterior sound maintenance.

      A Sound Performance. This cat-back system is backed by Force II signature delta flow technology. Drivers will have the added benefits of increased power, torque, mileage, and engine response all centered around a power and welcoming and powerful exhaust tone. This system has been Dyno tuned for superior performance.

      Fine Tuned. This Exhaust kit features a Super 50 Series Muffler, dual 2.5-inch mandrel bent 16-gauge stainless steel tailpipes, and 304 stainless-steel polished tips. All fine-tuned and assembled for a rugged and elegant exhaust design.

      Installation. The Flowmaster Force II follows a simple and swift bolt-on installation with little to non-modifications. Flowmaster recommends welding for stronger and lasting connection. Mounting hangers, hardware, and instructions are included.

      Lifetime Limited Warranty. Flowmaster offers a lifetime limited warranty on all stainless steel constructed products.

      Application. The Flowmaster Force II Cat-Back Exhaust - Split Side/Rear Exit is designed for use on all 2014-2018 4.3L GMC Sierra 1500 models. Note: Designed for double & crew cab models. It is not compatible on 2WD crew cab models with 2-piece driveshaft.

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      Flowmaster 817666

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

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • 1 Inlet Pipe (Part #26401S)
      • 1 6.5’ Bed Extension (Part #TB700S)
      • 1 Muffler (Part #8530562-Z)
      • 1 Tailpipe, Right (Part #86095S)
      • 1 Tailpipe, Left Front (Part #86094S)
      • 1 Tailpipe, Left Rear (Part #86096S)
      • 2 Side Exit Pipes R/L (Part #86097S)
      • 2 Rear Exit Pipes R/L (Part #86098S)
      • 2 Stainless Tips (Part #ST461)
      • 1 Parts Kit (Part #PK742)

      4.8

      Customer Reviews (17)

      Questions & Answers

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      Will It Fit My Sierra 1500

      • 4.3L V6 - 14, 15, 16, 17, 18

      Designed for Double & Crew Cab Models. It is not compatible on 2WD Crew Cab Models with 2-Piece Driveshaft.