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 optimum durability and ease of installation. Removable air box lid element allows for easy visual inspection and maintenance of your WCFab filter with included hydrophobic pre-filter cover, to help keep your MAF sensor, turbo, and engine airways contaminant free. After the turbo, our Stage 2 kit also upgrades the restricted 2-piece, resonator equipped, 2.5 in. diameter driver (hot) side intercooler pipe and leak-prone 2-piece plastic / rubber passenger (cold) side pipe with WCFab's heavy duty 3 in. diameter 1-piece Driver (Hot) Side and 3.5 in. diameter Passenger (Cold) Side L5P Intercooler Pipes. Made in the USA from high strength, heavy duty 14 ga. aluminum tube with smooth, aerodynamic mandrel bends for increased durability and optimized flow. 3 in. Driver Side pipe eliminates
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 2021-2025 |
Chevrolet |
Silverado 2500 HD |
Custom |
| 2020-2025 |
Chevrolet |
Silverado 2500 HD |
High Country |
| 2020-2025 |
Chevrolet |
Silverado 2500 HD |
LT |
| 2020-2025 |
Chevrolet |
Silverado 2500 HD |
LTZ |
| 2020-2025 |
Chevrolet |
Silverado 2500 HD |
WT |
| 2024-2025 |
Chevrolet |
Silverado 2500 HD |
ZR2 |
| 2020-2025 |
Chevrolet |
Silverado 3500 HD |
High Country |
| 2020-2025 |
Chevrolet |
Silverado 3500 HD |
LT |
| 2020-2025 |
Chevrolet |
Silverado 3500 HD |
LTZ |
| 2020-2025 |
Chevrolet |
Silverado 3500 HD |
WT |
| 2020-2025 |
GMC |
Sierra 2500 HD |
AT4 |
| 2024-2025 |
GMC |
Sierra 2500 HD |
AT4X |
| 2020-2021 |
GMC |
Sierra 2500 HD |
Base |
| 2020-2025 |
GMC |
Sierra 2500 HD |
Denali |
| 2024-2025 |
GMC |
Sierra 2500 HD |
Denali Ultimate |
| 2022-2025 |
GMC |
Sierra 2500 HD |
Pro |
| 2020-2025 |
GMC |
Sierra 2500 HD |
SLE |
| 2020-2025 |
GMC |
Sierra 2500 HD |
SLT |
| 2020-2025 |
GMC |
Sierra 3500 HD |
AT4 |
| 2020-2021 |
GMC |
Sierra 3500 HD |
Base |
| 2020-2025 |
GMC |
Sierra 3500 HD |
Denali |
| 2024-2025 |
GMC |
Sierra 3500 HD |
Denali Ultimate |
| 2022-2025 |
GMC |
Sierra 3500 HD |
Pro |
| 2020-2025 |
GMC |
Sierra 3500 HD |
SLE |
| 2020-2025 |
GMC |
Sierra 3500 HD |
SLT |
