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11-15 GM LML 6.6L Duramax MBRP 3" Turbo Downpipe (50 State Legal)

This turbo downpipe from MBRP is designed to increase flow, power, lower EGT's, improve sound and increase faster turbo spool up. It is built from heavy duty aluminized steel. The downpipe is coated with a satin black high heat coating and is wrapped with a high heat thermal wrap. This downpipe features CNC machines flanges, it is a direct bolt on replacement. 

**Fitment note** Will not fit on late 15.5 Model trucks with the 3-bolt flange.

Carb EO# D-763-2

Part number: GMCA427

 
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