super fast shipping
Wehrli engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wehrli lineup with fast shipping and expert fitment support — order with confidence.
Elevate your Duramax's exhaust performance with the Wehrli Billet Exhaust Manifold Kit, designed for 2017-2024 Chevrolet and GMC trucks equipped with the 6.6L L5P engine. This premium kit replaces the stock exhaust manifolds with precision-machined billet components, ensuring superior flow, durability, and performance gains.
This exhaust manifold kit is an essential upgrade for diesel enthusiasts seeking to push the limits of their L5P Duramax. Experience improved performance, reliability, and a more aggressive exhaust note.
Get the best diesel performance parts at GGCRACING.
| Years | Make | Model | Trim |
|---|---|---|---|
| 2017-2025 | Chevrolet | Silverado 2500 HD | High Country |
| 2017-2025 | Chevrolet | Silverado 2500 HD | LT |
| 2017-2025 | Chevrolet | Silverado 2500 HD | LTZ |
| 2017-2025 | Chevrolet | Silverado 2500 HD | WT |
| 2021-2025 | Chevrolet | Silverado 2500 HD | Custom |
| 2017-2025 | Chevrolet | Silverado 3500 HD | High Country |
| 2017-2025 | Chevrolet | Silverado 3500 HD | LT |
| 2017-2025 | Chevrolet | Silverado 3500 HD | LTZ |
| 2017-2025 | Chevrolet | Silverado 3500 HD | WT |
| 2017-2025 | GMC | Sierra 2500 HD | Denali |
| 2017-2025 | GMC | Sierra 2500 HD | SLE |
| 2017-2025 | GMC | Sierra 2500 HD | SLT |
| 2020-2025 | GMC | Sierra 2500 HD | AT4 |
| 2022-2025 | GMC | Sierra 2500 HD | Pro |
| 2024-2025 | GMC | Sierra 2500 HD | AT4X |
| 2024-2025 | GMC | Sierra 2500 HD | Denali Ultimate |
| 2017-2021 | GMC | Sierra 3500 HD | Base |
| 2017-2025 | GMC | Sierra 3500 HD | SLE |
| 2017-2025 | GMC | Sierra 3500 HD | SLT |
| 2020-2025 | GMC | Sierra 3500 HD | AT4 |
| 2022-2025 | GMC | Sierra 3500 HD | Pro |
| 2024-2025 | GMC | Sierra 3500 HD | Denali Ultimate |
Other popular Wehrli products customers consider together:
Wehrli engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wehrli lineup with fast shipping and expert fitment support — order with confidence.
Elevate your Duramax's exhaust performance with the Wehrli Billet Exhaust Manifold Kit, designed for 2017-2024 Chevrolet and GMC trucks equipped with the 6.6L L5P engine. This premium kit replaces the stock exhaust manifolds with precision-machined billet components, ensuring superior flow, durability, and performance gains.
This exhaust manifold kit is an essential upgrade for diesel enthusiasts seeking to push the limits of their L5P Duramax. Experience improved performance, reliability, and a more aggressive exhaust note.
Get the best diesel performance parts at GGCRACING.
| Years | Make | Model | Trim |
|---|---|---|---|
| 2017-2025 | Chevrolet | Silverado 2500 HD | High Country |
| 2017-2025 | Chevrolet | Silverado 2500 HD | LT |
| 2017-2025 | Chevrolet | Silverado 2500 HD | LTZ |
| 2017-2025 | Chevrolet | Silverado 2500 HD | WT |
| 2021-2025 | Chevrolet | Silverado 2500 HD | Custom |
| 2017-2025 | Chevrolet | Silverado 3500 HD | High Country |
| 2017-2025 | Chevrolet | Silverado 3500 HD | LT |
| 2017-2025 | Chevrolet | Silverado 3500 HD | LTZ |
| 2017-2025 | Chevrolet | Silverado 3500 HD | WT |
| 2017-2025 | GMC | Sierra 2500 HD | Denali |
| 2017-2025 | GMC | Sierra 2500 HD | SLE |
| 2017-2025 | GMC | Sierra 2500 HD | SLT |
| 2020-2025 | GMC | Sierra 2500 HD | AT4 |
| 2022-2025 | GMC | Sierra 2500 HD | Pro |
| 2024-2025 | GMC | Sierra 2500 HD | AT4X |
| 2024-2025 | GMC | Sierra 2500 HD | Denali Ultimate |
| 2017-2021 | GMC | Sierra 3500 HD | Base |
| 2017-2025 | GMC | Sierra 3500 HD | SLE |
| 2017-2025 | GMC | Sierra 3500 HD | SLT |
| 2020-2025 | GMC | Sierra 3500 HD | AT4 |
| 2022-2025 | GMC | Sierra 3500 HD | Pro |
| 2024-2025 | GMC | Sierra 3500 HD | Denali Ultimate |
Other popular Wehrli products customers consider together: