The MBRP GM8428 3" Turbo Downpipe for your 2015.5-2016 GM 6.6L Duramax LML. Removing the restriction in the factory downpipe results in lower EGTs and increased performance. The down pipe is relatively easy to install due to the precision bends that youve come to expect from MBRP.

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The MBRP GM8427 3" Turbo Downpipe provides a smoother flow from the turbo in your 2011-2015 GM 6.6L Duramax. Removing the restriction in the factory downpipe results in lower EGTs and increased performance.

The PPE 117000400 3" Stainless Steel Downpipe for your 01-04 GM 6.6L Duramax allows you to removed your crushed oval stock downpipe and replace it with a smooth round, long lasting 304 stainless steel down pipe. Spiral wrapped with titanium woven thread for superior heat that's held in place with stainless steel clamps.

The PPE 117000700 3" Stainless Steel Downpipe for your 2015.5-2016 GM 6.6L Duramax LML allows you to remove your crushed oval stock downpipe and replace it with a smooth round, long lasting 304 stainless steel down pipe.

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The PPE 117000600 3" Stainless Steel Downpipe for your 2011-2015 GM 6.6L Duramax LML allows you to removed your crushed oval stock downpipe and replace it with a smooth round, long lasting 304 stainless steel down pipe.