Black 3" Exhaust Turbo Downpipe System for 11-15 Chevy GMC 6.6L Duramax + Wrap

Product Description:

• 100% Brand New, Never been used.
• Part Number: GM8424
• Color：Black
• Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends i.e. Maximizing Smoothest Exhaust Airflow
• High Performance JDM Racing Design
• TIG Welded CNC Machine Flange for Strength and Durability
• Inlet/ Outlet Sizes: 3 ''OD / 3 ''OD
• Piping Diameter: 3"
• 2011-2015 Chevy/GMC 2500/3500 6.6L Duramax Diesel
• Does Not Fit 2015.5+ Model With Flange Outlet
• Greater Heat Retention
• 20% Greater Flow Over Stock
• Richer Diesel Sound
• Will not Affect Emissions (DPF system or the Urea injection system)
• Gains of +21 HP and +24 lb/ft Torque
• Professional Installation is Highly Recommended
• No Instruction Included

Package includes:

• 1 X Down Pipe Only
• Just As pictures show

Fitment:

• For 2011-2015 Chevy/GMC 2500/3500 6.6L Duramax Diesel
• Does Not Fit 2015.5+ Model With Flange Outlet