Description
WCF100624
-Passenger Side Up Pipe
-Driver Side Up Pipe
-Up Pipe Gaskets (4)
DESCRIPTION
Replace the lightweight, leak prone, 1 5/8″ OEM up pipes on your 2017-2023 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.
Fully compatible with WCFab Billet Exhaust Manifolds (Part Number WCF100373).
INCLUDES GASKETS! -NO Tuning required, bolt on! -Will fit on stock truck no other modifications or upgrades necessary!
Replaces the following GM Part Numbers: 12688021, 12702943, 12681437, 12680270, 12681162, 12674813, 12681162, 12676611
Also fits 2019+ L5D Duramax (4500/5500/6500) Medium Duty Trucks.
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