Replace the lightweight, leak prone, 1 5/8" OEM up pipes on your 2017+ Newer Duramax with these heavy duty 11 gauge 2" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up and decrease EGT's. This kit is for use with factory exhaust manifolds. INCLUDES GASKETS!
-NO Tuning required, bolt on!
-Will fit on stock truck no other modifications or upgrades necessary!