BD's full bore exhaust manifold reduces the factory restriction found in the driver side manifold resulting in a better flowing and smoother running engine. This manifold is a direct replacement for both the driver and passenger side of the engine offering an overall increase in turbo spool and performance.
Features & Benefits:
- Increased Flow & Efficiency
- High Silicon Ductile Iron Construction
- Pre Tapped For Exhaust Temp Sensor
- Direct Replacement Sold Individually
- 3 Year 75K Mile Warranty
- Fits The 2001-2010 GM Duramax
