This plug is a popular replacement for aFe’s Duramax inlet tube. This plug allows you to remove the bulky resonator from the factory intake. Don’t use PCV pipe or try to rig something when you can use this clean and easy plug.
| Year | Make | Model | SubModel | Engine | Fuel |
| 2001-2004 | Chevrolet | Silverado 2500 HD | (LB7) Duramax Turbo Diesel | V8 6.6L | Diesel |
| 2001-2004 | GMC | Sierra 2500 HD | (LB7) Duramax Turbo Diesel | V8 6.6L | Diesel |
| 2001-2004 | Chevrolet | Silverado 3500 HD | (LB7) Duramax Turbo Diesel | V8 6.6L | Diesel |
| 2001-2004 | GMC | Sierra 3500 HD | (LB7) Duramax Turbo Diesel | V8 6.6L | Diesel |