New Parts launched for GM Duramax, Dodge/Ram Cummins and Ford Powerstroke

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Up Pipes That Seal and Stay Sealed

The Duramax factory up pipes crack at the bellows from vibration — often where the EGR riser binds them — giving you a pre-turbo exhaust leak and frequently a turbo low-boost code. These heavy-duty stainless up pipes move with the heat and seal permanently, and many delete the failure-prone EGR riser entirely.

Fits these trucks

  • GMC/Chevy 6.6L Duramax (2001–2016) — LB7, LLY, LBZ, LMM, LML — HD driver-side & high-flow up pipes (incl. up pipes for cast race manifolds)

Frequently Asked Questions

Why do Duramax up pipes leak?
The factory bellows crack from vibration, often where the EGR riser binds them, giving a pre-turbo exhaust leak and frequently a turbo low-boost code.
My bellow broke at the EGR riser — what do I need?
A heavy-duty replacement up pipe; many LB7-style pipes delete the failure-prone riser and fit in place of the original.
Are these a permanent fix?
Quality stainless up pipes are built to seal long-term so you do the job once.
Will it fit my truck?
Covers 2001–2016 6.6L Duramax. Match your year and engine code on the product page. Get the right part the first time.