Polar Diesel 2011-2015 Duramax 6.6L 4" Exhaust System Add-Ons:Basic Muffler Level 4: 210HP (Performance): Ideal

Level 4: 210HP (Performance): Ideal for users who want significant horsepower & torque gains

NOTE: IT IS HIGHLY RECOMMENDED TO PAIR THIS TURBO WITH A CCV SYSTEM ROUTED INTO THE INTAKE OR EXHAUST

7L CUMMINS WILL REQUIRE THE 2018+ CUMMINS BYPASS CABLE TO FLASH ANY TUNING

Level 3: 60HP (Performance): Ideal for users who want significant horsepower & torque gains

Prevents Broken Grid Heater Bolt Failure

Polar Diesel 2011-2015 Duramax 6.6L 4" Exhaust System Add-Ons:Basic Muffler Level 4: 210HP (Performance): IdealFitment & Features 2011 2015 Chevy GM 6. 6L Duramax (V BAND STYLE DOWNPIPE) NOT Compatible with Cab & Chassis Trucks DESIGNED TO FIT ALL CAB & BOX CONFIGURATIONS, MAY REQUIRE SOME MODIFICATIONS T409 Stainless Steel Easy Installation w Pre bent Exhaust Hangers Stainless Lap Joint Clamps NOTE: THIS SYSTEM DOES NOT FIT 2015. 5 2016 TRUCKS EQUIPPED WITH 3 BOLT FLANGE STYLE DOWNPIPE Important Note! This product is designed for offroad race use only and is