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2001-2016 Duramax Down Pipe - WCFAB

2001-2016 Duramax Down Pipe - WCFAB

Our preferred down pipe here at John C Garage for all Duramax years! It features a full 3" tubing and comes with heat wrap already installed. These downpipes help with EGT's, towing and overall performance. They are made right here in the USA!


Looking for a down pipe for your emissions compliant 2017-2024 Duramax L5P? That listing can be found HERE 


Please select the year range you need! For the 2015 LML Duramax, be sure to physically look at which downpipe you need! It could be either the vband (11-15) or if it has 3 bolts at the connection, it's (2015-2016). If unsure, send us a picture and we'll be able to tell which you need!

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