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2014-19* GM Silverado/Sierra 1500 4.3L, 5.3L - Force II Cat-back Exhaust System 817672YouTube Button

Flowmaster Force II Cat-back Exhaust System

2014-2019* (*Classic body) GM Silverado/Sierra 1500, 4.3L & 5.3L engines.

PART# 817672

1 customer review
$865.00   Suggested Retail
$777.95   Your Price
Estimated shipping date: 11/05/2020
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Fits 2014-2019* (*Classic body) Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 4.3L or 5.3L engine.


This Flowmaster Force II® cat-back exhaust system is custom designed for 2014-2019* (*Classic body) GM Silverado/Sierra 1500 trucks with the 4.3L or 5.3L engines and is perfect for the person looking for a moderate sound level inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster®. This bolt-on emissions-legal system fits both the Double Cab and Crew Cab models with 5.5 and 6.5-ft beds and features a mandrel-bent stainless steel inlet pipe flowing into a Super 50™ Series muffler for a mild exterior sound. The single 3.00-inch stainless steel mandrel-bent tailpipe is finished off with a large 4.00-inch polished embossed stainless steel tip. The exhaust system is covered by our Lifetime Limited Warranty and is designed for an easy fit. The system includes all necessary parts and hardware for a quick and easy installation you can do at home.


  • Large 4.00-inch Black Ceramic Coated Tip
  • Super 50 Series Performance Muffler
  • Uses the Factory Hanger Locations
  • All Stainless Steel Construction
  • Lifetime Limited Warranty
  • Mild Performance Tone
  • Delta Flow Technology
  • Mandrel-bent Tubing


Emission Code5
Exhaust Pipe Bend TypeAssorted
Exhaust SeriesForce II
Exit PositionSingle Out Side
Heat ShieldNo
Inlet Diameter (in)3
Material409 Stainless Steel
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesSuper 50 Series
Outlet Diameter (in)3
Product TypeExhaust System
Single DualSingle
Sound LevelModerate/Mild
System TypeCat-back
Tip Diameter (in)4
Tip Length (in)13
Tip Quantity1
Tubing Diameter (in)3
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817672

Service Parts



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Does Not Fit Crew Cab 2WD with 2 Pc Driveshaft.


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      *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

      Some parts are not legal for use in California or other states with similar regulations.