2011-2016 Duramax 4'' Exhaust powerstroke 2011-2022 6

2011-2022 6

Smooth driving experience

This package upgrades you from Limited Support Package (4 Weeks) to Full Support Package which gives you access to all tuning including Shift On The Fly indefinitely

power-robbing engine air

Highly recommended in dirty environments

2011-2016 Duramax 4'' Exhaust powerstroke 2011-2022 62011 2016 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