Quick view Wehrli Wehrli 17-19 Duramax L5P OEM Location Coolant Tank - Gun Metal - WCF100433-GM Compare $509.00 $493.99 The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. The stock coolant reservoirs on these... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P OEM Location Coolant Tank - Kiwi Green - WCF100433-KIWI Compare $509.00 $493.99 The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. The stock coolant reservoirs on these... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Candy Red - WCF100718-CR Compare $685.00 $664.99 Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Cat Yellow - WCF100718-CAT Compare $635.00 $615.99 Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO Compare $635.00 $615.99 Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Compare $635.00 $615.99 Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Compare $635.00 $615.99 Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Compare $685.00 $664.99 Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Compare $685.00 $664.99 Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG Compare $1,600.00 $1,552.99 The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB Compare $1,600.00 $1,552.99 The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... Add to Cart Add to Cart
Quick view Wehrli Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY Compare $1,600.00 $1,552.99 The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... Add to Cart Add to Cart