Wehrli 17-19 Chevrolet 6.6L L5P Duramax High Flow Intake Bundle Kit Stage 2 - Red

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. The critical ram air duct seal has been moved to the bottom of the hood for a clean engine compartment appearance. 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 Wehrli Custom Fab High Flow Bundle Kit Stage 2, for 2017-2019 Duramax L5P, WCFab Red

• OEM Clip Ring Design at Y-bridge connection replaced by high quality silicone boot and stainless steel t-bolt clamps for improved sealing and ability to hold higher boost pressures without leaking
• 4 in. Aluminum intake pipe with Air box enclosure, dry filter assembly and Outerwears pre-filter cover, 4 in. Intake horn with PCV port and Surge Ring
• CNC Machined Flange with Double O-Rings provides an improved sealing surface to eliminate boost leaks.
• Silicone Boots, Stainless Steel T-Bolt Clamps, O-Rings, Intercooler Outlet Clip, Installation Hardware
• Will fit on stock truck no other modifications or upgrades necessary!
• 3 in. Hot Side Intercooler Pipe & 3.5 in. Cold Side Intercooler Pipe
• Retains factory connection points and sensors
• NO Tuning required, bolt on!
• Custom Powder Coat Finish
• Made In the USA

The Wehrli Stage 2 High Flow Intake Bundle Kit is engineered to enhance the performance of your 2017-2019 Chevrolet Silverado 2500 HD, 3500 HD, and GMC Sierra 2500 HD with the L5P Duramax engine. Designed with high-quality components, this kit delivers a noticeable 25 horsepower gain when paired with a Max Effort Tune and a 4-inch turbo inlet. The kit includes a durable 4-inch aluminum intake pipe with a silicone boot, stainless steel T-bolt clamps, and a removable air box lid element that facilitates easy inspection and maintenance of your WCFab filter. The filter features a hydrophobic pre-filter cover to protect your MAF sensor, turbo, and engine airways from contaminants, ensuring optimal airflow and engine health.

Constructed from high-strength 14-gauge aluminum with smooth mandrel bends, the intercooler pipes are designed for durability and flow efficiency. The hot side pipe is upgraded to a 3-inch diameter, while the cold side is expanded to 3.5 inches, replacing the factory two-piece, leak-prone pipes. The CNC-machined flange with double O-rings provides a superior seal to eliminate boost leaks, supporting higher boost pressures without issues. The kit retains factory connection points and sensors, requiring no tuning or additional modifications for installation.

Finished with a high-quality powder coat, the Wehrli intake bundle is not only functional but also visually appealing. Made in the USA, this kit is compliant with EPA standards and includes all necessary hardware for a straightforward bolt-on installation. Its design enhances airflow, reduces restrictions, and improves overall engine performance, making it an ideal upgrade for enthusiasts seeking increased power and reliability from their Duramax L5P engine. The kit is supplied in two boxes and is suitable for stock trucks, with no additional modifications required.

Features:

• High-quality silicone boot and stainless steel T-bolt clamps for improved sealing and higher boost pressure tolerance

• 4-inch aluminum intake pipe with air box enclosure, dry filter, and pre-filter cover for contaminant protection

• CNC-machined flange with double O-rings to eliminate boost leaks

• Includes silicone boots, stainless steel clamps, O-rings, intercooler outlet clip, and installation hardware

• Easy bolt-on installation with factory connection points and sensors retained

• Upgraded 3-inch hot side and 3.5-inch cold side intercooler pipes for increased airflow

• Custom powder coat finish for durability and aesthetics

• Made in the USA with heavy-duty 14 gauge aluminum and mandrel bends for flow optimization

• No tuning required, designed for direct fitment on stock trucks

Fitment:
Chevrolet Silverado 2500 HD High Country 2017
Chevrolet Silverado 2500 HD High Country 2018
Chevrolet Silverado 2500 HD High Country 2019
Chevrolet Silverado 2500 HD LT 2017
Chevrolet Silverado 2500 HD LT 2018
Chevrolet Silverado 2500 HD LT 2019
Chevrolet Silverado 2500 HD LTZ 2017
Chevrolet Silverado 2500 HD LTZ 2018
Chevrolet Silverado 2500 HD LTZ 2019
Chevrolet Silverado 2500 HD WT 2017
Chevrolet Silverado 2500 HD WT 2018
Chevrolet Silverado 2500 HD WT 2019
Chevrolet Silverado 3500 HD High Country 2017
Chevrolet Silverado 3500 HD High Country 2018
Chevrolet Silverado 3500 HD High Country 2019
Chevrolet Silverado 3500 HD LT 2017
Chevrolet Silverado 3500 HD LT 2018
Chevrolet Silverado 3500 HD LT 2019
Chevrolet Silverado 3500 HD LTZ 2017
Chevrolet Silverado 3500 HD LTZ 2018
Chevrolet Silverado 3500 HD LTZ 2019
Chevrolet Silverado 3500 HD WT 2017
Chevrolet Silverado 3500 HD WT 2018
Chevrolet Silverado 3500 HD WT 2019
GMC Sierra 2500 HD Base 2017
GMC Sierra 2500 HD Base 2018
GMC Sierra 2500 HD Base 2019
GMC Sierra 2500 HD Denali 2017
GMC Sierra 2500 HD Denali 2018
GMC Sierra 2500 HD Denali 2019
GMC Sierra 2500 HD SLE 2017
GMC Sierra 2500 HD SLE 2018
GMC Sierra 2500 HD SLE 2019
GMC Sierra 2500 HD SLT 2017
GMC Sierra 2500 HD SLT 2018
GMC Sierra 2500 HD SLT 2019
GMC Sierra 3500 HD Base 2017
GMC Sierra 3500 HD Base 2018
GMC Sierra 3500 HD Base 2019
GMC Sierra 3500 HD Denali 2017
GMC Sierra 3500 HD Denali 2018
GMC Sierra 3500 HD Denali 2019
GMC Sierra 3500 HD SLE 2017
GMC Sierra 3500 HD SLE 2018
GMC Sierra 3500 HD SLE 2019
GMC Sierra 3500 HD SLT 2017
GMC Sierra 3500 HD SLT 2018
GMC Sierra 3500 HD SLT 2019