Flowmaster Force II Exhaust for Silverado 1500/Sierra 1500 | FLO60247
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- Have a different car? See all Flowmaster Force II Cat-Back Exhausts
- Mild interior drone and moderate exterior tone
- Catalog Number: Flowmaster 817603
- Fits: Chevrolet Silverado 1500, GMC Sierra 1500 (check fitment chart for compatibility)
Flowmaster Force II Cat-Back Exhaust for Silverado 1500/Sierra 1500 | 817603
Product Specifications:
- Diameter (IN): 3-1/2 Inch
- Exhaust Tip Material: Stainless Steel
- Exhaust Tip Size (IN): 4 Inch
- Exhaust Tip Type: Rolled Edge
- Exhaust Type: Single
- Exit Position: Side
- Includes Exhaust Pipe Muffler Delete: No
- Includes Exhaust Tip: Yes
- Includes Hardware: Yes
- Includes Muffler: Yes
- Material: Stainless Steel
- Muffler Brand: 50 Series Big Block
- Muffler Configuration: Single Inlet/ Single Outlet
- Muffler Quantity: 1
- Outlet Type: Single
- Required Welding: Yes
- Sound Level: Moderate
- Type: Cat-Back
Fitment Chart:
| Years | Make | Model | Submodel | Body Type | Bed Length | Liters | Cylinders | Notes |
|---|---|---|---|---|---|---|---|---|
| 2018 | Chevrolet | Silverado 1500 | High Country | Crew Cab Pickup | 6' 6" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2018 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 6' 6" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2018 | GMC | Sierra 1500 | Denali | Crew Cab Pickup | 6' 6" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2018 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 6' 6" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2015-2018 | Chevrolet | Silverado 1500 | High Country | Crew Cab Pickup | 5' 9" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2013-2018 | GMC | Sierra 1500 | Denali | Crew Cab Pickup | 5' 9" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2011-2018 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 5' 9" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2011-2018 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 5' 9" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2017 | Chevrolet | Silverado 1500 | High Country | Crew Cab Pickup | 6' 6" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2017 | Chevrolet | Silverado 1500 | LTZ | Crew Cab Pickup | 6' 6" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2017 | GMC | Sierra 1500 | Denali | Crew Cab Pickup | 6' 6" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2017 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 6' 6" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2011-2016 | Chevrolet | Silverado 1500 | LTZ | Extended Cab Pickup | 6' 6" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2011-2016 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 6' 6" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2014 | GMC | Sierra 1500 | SLT | Crew Cab Pickup | 5' 9" Foot Bed | 5.3L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2014 | GMC | Sierra 1500 | SLT | Extended Cab Pickup | 6' 6" Foot Bed | 5.3L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2011-2013 | Chevrolet | Silverado 1500 | LT | Crew Cab Pickup | 5' 9" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2011-2013 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | 6' 6" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2011-2013 | GMC | Sierra 1500 | SLE | Crew Cab Pickup | 5' 9" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
| 2011-2013 | GMC | Sierra 1500 | SLE | Extended Cab Pickup | 6' 6" Foot Bed | 6.2L | V8 | Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series(TM) Big Block Muffler/4 in. Logo Embossed 304 Stainless Tip; 409 Stainless Steel; 50 State Legal / California Emissions Compliant |
Mild exterior tone exhaust system
The Flowmaster 817603 Force II exhaust system is made for optimal performance. If you replace your old system with it, you'll certainly notice a significant improvement in the exhaust flow, the exhaust tone, horsepower, and general vehicle performance. It is a small price to pay for the ultimate exhaust upgrade.
Better Chevrolet Silverado 1500 air flow
The 2.5" mandrel-bent tubing allows a smooth and unlimited flow of exhaust gases. It also increases airflow for better performance.
Exclusive Flowmaster muffler
The system includes an exclusive Scavenger Series® X-pipe crossover for a moderate exterior tone and mild interior tone. It converts exhaust noise to a drone that makes for a more comfortable drive.
Maximum Chevrolet Silverado 1500 performance
The Flowmaster 817603 Force II exhaust system is also dyno-tuned for maximum performance with no internal resonance. This ensures a smooth flow with reduced interior and exterior noise for a more enjoyable drive.
Made strong to last long
The exhaust system components are made with the toughest steel in the industry. They are practically indestructible and will serve you for years without tarnishing, rusting or showing even the slightest sign of aging.
Easy fitment on your Chevrolet Silverado 1500
The Flowmaster 817603 Force II exhaust system comes with factory mounting points for a full bolt-on installation. The purchase also includes all installation hardware as well as detailed instructions. For the best results, let a professional do the installation for you.
Manufacturer's guarantee of quality
Flowmaster provides a limited lifetime warranty for the stainless steel exhaust system and a three-year warranty for the aluminized steel system. It is a guarantee that the parts are the best in the industry, and have no defects.
Made in the USA
The exhaust system is proudly made in the USA with authentic locally made material and labor. The company provides employment for thousands of Americans every year, contributing to the growth of the economy and country at large.