15.5-16 GM Duramax 6.6L 3" Down Pipe Kit (GM8428)

Unlock hidden power and efficiency by replacing the restrictive OEM downpipe with an MBRP direct replacement. This engineered component is designed to significantly boost exhaust flow, resulting in measurable improvements in performance and fuel economy.

Features

• Direct replacement for factory downpipe
• Significantly boosts exhaust flow
• Improves fuel economy
• Enhances overall engine performance

Note

• Removal of OEM catalytic converters may violate emission laws in your jurisdiction.
• Ensure intended use of this product is permitted.
• Not for sale or use in the state of California.