2017-2023 Duramax 6.6L 4" Polar Exhaust

2017-2023 Duramax 6.6L 4" 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 EGTs, improved fuel mileage, proper exhaust flow and of course increased horsepower and torque! Features Single Side Exit Muffler options Easy installation No Bungs Stainless lap joint clamps Pre-bent exhaust hangers 4” Downpipe back exhaust Fitment 2017-2023 Chevrolet/GMC Duramax 6.6L L5P This exhaust will only fit models with the OEM style 4-bolt flange off the downpipe Fits crew cab - short/long/dually Must be modified to fit regular cab models Depending on Box & Cab configuration one cut may need to be made to adjust the overall length of the system and for exhaust systems optioned with a muffler. Note This product is designed exclusively for offroad and race use only. It is not intended for use on public roads or highways. The installation and operation of this product requires aftermarket tuning and modifications. The manufacturer and sellers of this product are not responsible for any damages, injuries, or legal consequences resulting from the improper use or installation of this product. Use at your own risk! Read less