- Part Number: GM8424
- Year: 2004-2010
- Make: Chevrolet/GMC
- Model Silverado 2500HD/Silverado 3500HD/Sierra 2500HD/Sierra 3500HD
- Engine: 6.6L Duramax V8
- Tubing Size: 3 Inch
- Series: Armor BLK
- Material: Black-Coated Aluminized Steel
- Warranty: 3-year warranty