Flowmaster Force II Cat-back Exhaust System 2011-16 Chevrolet/GMC 2500/3500 HD trucks
 

Flowmaster Part #817451




Test Vehicle: 2015 GMC 2500 HD 6.0L

Application:
2011 to 2016 Chevrolet and GMC 2500 and 3500 HD trucks with 6.0L V8 engine, fits Crew Cab, short bed.

Attachment 156604

Features:
For the person who wants a subtle custom appearance with all the benefits that a Flowmaster Cat-back exhaust system provides. SOS. (Single out side) systems are the perfect choice. Force II systems deliver a moderate exterior tone and moderate to mild interior tone, and are suited to customers looking for efficiency improvements without a lot of noise. Especially recommended for towing applications. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

Attachment 156605

✓ Mandrel bent 16 gauge 409 stainless tubing
✓ Moderate exterior exhaust tone
✓ Includes hangers and hardware for easy installation
✓ Connects after factory catalytic converter
✓ Dyno tuned for maximum performance
✓ Premium Flowmaster quality

Updated Fitment Info for 2016 Models
 

We have confirmed that Flowmaster's Force II Cat-back kit, part #817451 for the 2011+ GM 2500HD/3500HD Crew cab/Short bed trucks with 6.0L gas engine will carry on through the 2016 model year for the same sub-model configurations as previously listed.