Description
Unrivaled Performance. The Flowmaster Force II Cat-Back Exhaust – Single Side Exit brings you a superior exhaust that is specifically designed for the Sierra Extended/Double Cab. This product gives you unrivaled performance as well as increased style.
Superior Engineering. From the stainless steel construction to the muscular, aggressive sound, this exhaust features a cool 3.50” mandrel bent tubing, and a 4.00” embossed stainless tip.
Cutting-Edge Technology. With a bold-on, style ball flange connection, this exhaust is dyno tuned for maximum performance. Flowmaster gives you incomparable quality and style in this exhaust system. There’s no doubt you’ll own the road with the Flowmaster Force II Cat-Back exhaust system.
Installation. The installation for this product is moderate and can be accomplished in approximately 4 hours.
Warranty. Flowmaster stands behind this product with a Limited Lifetime Warranty.
Application. The Flowmaster Force II Cat-Back Exhaust – Single Side Exit fits all 2011-2018 6.2L GMC Sierra 1500 models. Designed for the Extended/Double Cab with the Standard Box and Crew Cab with the Short Box.
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Flowmaster 817603
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- Superior Performance
- Stainless Steel Construction
- Muscular Exterior Sound
- 3.50” Mandrel Bent Tubing
- 4.00” Embossed Stainless Tip
- Bolt-On
- Style Ball Flange Connection
- Dyno Tuned For Maximum Performance
- Moderate Installation
- Installation Time Is Approximately 4 Hours
- Lifetime Limited Warranty
- Fits All 2011-2018 6.2L GMC Sierra 1500 Models
- Tech Note: Designed for Extended/Double Cab with Standard Box and Crew Cab with Short Box
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 3.50 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Single |
| Exhaust Exit Location | Passenger Side – After Tire |
| Exhaust Loudness | Mild |






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