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01-16 GM 6.6L Duramax XDP Replacement Up-Pipes with Gaskets

Discontinued (2/6/23)

Increase flow in your 2001-2016 GM 6.6L Duramax with the XDP Replacement Up-Pipes with Gaskets XD264. Built for performance and durability, XDP's up-pipes are constructed from 2” stainless steel mandrel-bent tubing, 1/2” thick flanges to eliminate warping, and heavy-duty bellows for a long service life. The high flow design increases turbo spool-up, and throttle response while helping to lower exhaust gas temperatures. For use in non-EGR applications, each set comes complete with the necessary gaskets for installation, and is backed by XDP's 1-year warranty.



Increased Performance

2” Mandrel-Bent Tubing  

Stainless Steel Construction

1/2" Thick Flanges To Eliminate Warping

1-Year Warranty 


Direct fit for 2001-2004 LB7 engines federal emissions (non-EGR). 

This Up-Pipe does not have an EGR riser so it is not a direct replacement on 2004.5+ models. 





Products manufactured by XDP carry a 1-Year warranty against defects in materials and craftsmanship. The Warranty is Limited to one (1) year from the date of sale and limited solely to the parts contained within the product's kit. Click Here for full warranty policy.

Not available for sale in the state of California Not available for sale in the state of California. Click here to read Emissions Notice.


Part Number: XD264

Lame California Prop 65 Notice