Product Name: MBRP 3″ Turbo Down Pipe – 50 State Legal
Manufacturer: MBRP
Manufacturer Part #: GMCA424
Thoroughbred Diesel Part #: MBRGMCA424
Fitment Notes: MBRP 3″ Turbo Down Pipe – 50 State Legal – 04.5-10 GM Duramax 6.6L – GMCA424
MBRP 3″ Turbo Down Pipe
50 State Legal
2004.5-2010 GM Duramax 6.6L
The MBRP GMCA424 3″ Turbo Downpipe eliminates the restrictive factory downpipe in your 2004.5-2010 GM 6.6L Duramax. 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.
- CARB EO# D-763
- Reduced Temperatures
- Increased Performance
- Coated & Heat-Wrapped
- Aluminized Steel Construction
- Richer Diesel Sound





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