Product Description
The MBRP GMCA427 3" Turbo Downpipe eliminates the restrictive factory downpipe in your 2011-2015 GM 6.6L Duramax LML. Featuring a mandrel bent aluminized steel construction, the MBRP 3" Turbo Downpipe provides a smoother flow from the turbo resulting in lower EGT's, increased performance, throatier sound, and faster turbo spool-up.
Each Downpipe is coated with a satin black high-heat coating and wrapped with a high-heat thermal wrap for added protection. Featuring CNC machined flanges, this Downpipe is a direct bolt-on replacement, and is manufactured with precision bends for the perfect fit that you've come to expect from MBRP.
FEATURES:
- CARB EO# D-763
- Reduced Temperatures
- Increased Performance
- Coated & Heat-Wrapped
- Aluminized Steel Construction
MBRP 3" Aluminized Turbo Downpipe (50 State Legal) - GMCA427 will fit:
Fitment Notes
- V Band Flange
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