Flowmaster 817451 Cat-Back System 409S for 2011-2015 Chev./GMC

Flowmaster 817451 Cat-back System 409S - Single Side Exit - Force II - Mild/Moderate Sound

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. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. 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.

Features:

• 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

Product Specification:

• 2WD/4WD: 2WD/4WD
• Exhaust series: Force II
• Exit Position: Single Side Exit
• Heat shield: None
• Inlet diameter (inches): 3.50
• Material: Stainless Steel
• Muffler part number: Kit Only
• Muffler quantity: 1
• Muffler series: 50 Series Big Block
• Outlet diameter (inches): 3.50
• Single/Dual: Single
• Sound level: Mild/Moderate Sound
• System type: Cat-back System
• Tip diameter (inches): 4.00
• Tip quantity: 1
• Tubing diameter (inches): 3.50

Fitments:

• 2015 Chevrolet Silverado 2500 HD High Country V8, 6.0L
• 2011-2015 Chevrolet Silverado 2500 HD LT V8, 6.0L
• 2011-2015 Chevrolet Silverado 2500 HD LTZ V8, 6.0L
• 2011-2015 Chevrolet Silverado 2500 HD WT V8, 6.0L
• 2015 Chevrolet Silverado 3500 HD High Country V8, 6.0L
• 2011-2015 Chevrolet Silverado 3500 HD LT V8, 6.0L
• 2011-2015 Chevrolet Silverado 3500 HD LTZ V8, 6.0L
• 2011-2015 Chevrolet Silverado 3500 HD WT V8, 6.0L
• 2013 GMC Sierra 2500 HD Denali V8, 6.0L
• 2013-2014 GMC Sierra 2500 HD SLE V8, 6.0L
• 2013-2014 GMC Sierra 2500 HD SLT V8, 6.0L
• 2013-2014 GMC Sierra 2500 HD WT V8, 6.0L
• 2013-2014 GMC Sierra 3500 HD Denali V8, 6.0L
• 2013-2014 GMC Sierra 3500 HD SLE V8, 6.0L
• 2013-2014 GMC Sierra 3500 HD SLT V8, 6.0L
• 2013-2014 GMC Sierra 3500 HD WT V8, 6.0L

Note: Crew Cab Short Bed Only.
2011 to 2015 Chevrolet and GMC 2500 and 3500 HD trucks with 6.0L V8 engine, fits Crew Cab, short bed.