Pay in 4 interest-free payments of $36.25 Learn more
Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
your kit includes a new downpipe to complete installation
This kit allows you to remove the restrictive OE exhaust system
It will NOT add heat if your truck didn't already come with it
It must be ordered separately and comes in its own box
2017-2026 Duramax 6.6 Stainless Steel Downpipe featured your kit includes a newFeatures: 3. 5" Downpipe Full Stainless Steel Replaces Restrictive 'Crushed' OE Downpipe and Cat Connects to Factory Turbo Outlet Works with Any Aftermarket Race Exhaust System OR OEM System 4 Bolt Flange Manufactured by ProPower Diesel in the USA. IMPORTANT NOTE In 2017, GMC made a production change in the connection between the catalytic converter and the turbo direct pipe on the L5P. Please ensure you have the newest 4 bolt style flange before
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