Axle-Back ::::: Flowmaster 817648 Axle-Back System 409S for 2011-2015 Chev/GMC

Flowmaster 817648 Axle-back System 409S - Dual Side Exit - Force II - After DPF - Mild/Moderate Sound

Flowmaster's Force II DPF-Back exhaust system for the 2011-2015 GM 2500HD and 3500HD trucks is perfect for the person looking for mild to moderate sound levels with all of the performance benefits that you would expect from Flowmaster. This bolt-on emissions-legal system for the 6.6L Duramax diesel engine features DOS (Dual Out Side) mandrel bent 4.00 in. stainless steel tailpipes with 5.00 in. ventilated 304S stainless steel tips. It is designed to fit all wheelbases. The system connects behind the factory DPF unit and utilizes a single inlet, dual outlet Power Chamber. Due to space limitations and tubing size, this system requires removal of spare tire which is not uncommon for these applications. The exhaust system is manufactured in the USA and is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all of the necessary parts and hardware for installation.

Features:

• Stainless Steel Construction
• Dyno Tuned For Maximum Performance
• Mandrel Bent for Smooth Flow
• Lifetime Limited Warranty

Product Specification:

• 2WD/4WD: RWD/4WD
• Exhaust Pipe Max Diameter (in): 2.50
• Heat shield: None
• Inlet dia: 4
• Material: 409S Stainless Steel
• Muffler part number: Kit Only
• Muffler qty: 1
• Muffler series: Power Chamber
• Outlet dia: 4.00
• Single dual: Dual
• Sound level: Mild/Moderate
• System type: DPF-back
• Tip dia: 5
• Tip length: 14
• Tip qty: 2
• Tubing dia: 4

Fitments:

• 2015 Chevrolet Silverado 2500 HD High Country V8, 6.6L
• 2011-2015 Chevrolet Silverado 2500 HD LT V8, 6.6L
• 2011-2015 Chevrolet Silverado 2500 HD LTZ V8, 6.6L
• 2011-2015 Chevrolet Silverado 2500 HD WT V8, 6.6L
• 2015 Chevrolet Silverado 3500 HD High Country V8, 6.6L
• 2011-2015 Chevrolet Silverado 3500 HD LT V8, 6.6L
• 2011-2015 Chevrolet Silverado 3500 HD LTZ V8, 6.6L
• 2011-2015 Chevrolet Silverado 3500 HD WT V8, 6.6L
• 2015 GMC Sierra 2500 HD Base V8, 6.6L
• 2011-2015 GMC Sierra 2500 HD Denali V8, 6.6L
• 2011-2015 GMC Sierra 2500 HD SLE V8, 6.6L
• 2011-2015 GMC Sierra 2500 HD SLT V8, 6.6L
• 2011-2014 GMC Sierra 2500 HD WT V8, 6.6L
• 2015 GMC Sierra 3500 HD Base V8, 6.6L
• 2011-2015 GMC Sierra 3500 HD Denali V8, 6.6L
• 2011-2015 GMC Sierra 3500 HD SLE V8, 6.6L
• 2011-2015 GMC Sierra 3500 HD SLT V8, 6.6L
• 2011-2014 GMC Sierra 3500 HD WT V8, 6.6L

Note: Requires removal of spare tire.
Fits 2011 to 2015 Chevrolet and GMC 2500HD and 3500HD Trucks with a 6.6L Duramax Diesel Engine. Fits All WB Except Standard Cab/Long Bed. Mounts after Diesel Particulate Filter.