2017-2026 Duramax 6.6L 4" Polar Exhaust Exhaust Systems 2011-2016 Powerstroke 6.7L WHICH ARE KNOWN TO THE

WHICH ARE KNOWN TO THE STATE OF CALIFORNIA TO CAUSE BIRTH DEFECTS OR REPRODUCTIVE HARM

Turbo and Engine Life

Brand new valve body

Each BD torque converter features Torrington thrust bearings to replace the inefficient factory wear washers

aggressive block design

2017-2026 Duramax 6.6L 4" Polar Exhaust Exhaust Systems 2011-2016 Powerstroke 6.7L WHICH ARE KNOWN TO THE2017 2026 Duramax 6. 6L 4" Polar Exhaust Polar Diesel exhaust kits are designed to concur the elements, made from T409 Stainless Steel, our kits provide the quality your truck deserves. Our exhaust systems are designed with a hassle free, easy installation in mind! Featuring precise pre bent exhaust hangers, stainless lap joint clamps and precise flanges, you can expect excellent fit & finish. With all of our exhaust systems you can count on reduced