Flowmaster® (14-19) Silverado/Sierra 409SS Force II Cat-Back System (Crew/Double Cab)

  • Sale
  • Regular price $777.95

Compatible: (4.3L/5.3L)

2014 - 2019 Chevy Silverado (CLASSIC BODY STYLE)

2014 - 2019 GMC Sierra (CLASSIC BODY STYLE)


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


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.


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


Brand Flowmaster
Emission Code 5
Exhaust Pipe Bend Type Assorted
Exhaust Series Force II
Exit Position Single Out Side
Heat Shield No
Inlet Diameter (in) 3
Material 409 Stainless Steel
Muffler Part Number Kit Only
Muffler Quantity 1
Muffler Series Super 50 Series
Outlet Diameter (in) 3
Product Type Exhaust System
Single Dual Single
Sound Level Moderate/Mild
System Type Cat-back
Tip Diameter (in) 4
Tip Length (in) 13
Tip Quantity 1
Tubing Diameter (in) 3
California Proposition 65 Chemical Name Chromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 Required Yes
Part Number 817672

Install Guide: