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

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, Gloss Black
  • 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

Upgrade your 2017-2019 Chevrolet Silverado 2500 HD, 3500 HD, or GMC Sierra 2500 HD with the Wehrli Stage 2 High Flow Intake Bundle Kit designed specifically for the Duramax L5P engine. This comprehensive kit features a 4-inch diameter aluminum intake pipe with a durable silicone boot, stainless steel T-bolt clamps, and a high-quality air box enclosure that includes a dry filter assembly and an Outerwears pre-filter cover. The removable air box lid facilitates easy inspection and maintenance of your WCFab filter, helping to keep your MAF sensor, turbo, and engine airways free from contaminants. The kit's CNC-machined flange with double O-rings ensures an airtight seal, eliminating boost leaks and maximizing performance. The intake system retains factory connection points and sensors, making it a bolt-on upgrade that requires no tuning, allowing for quick installation and immediate horsepower gains. The upgraded hot and cold side intercooler pipes are made from heavy-duty 14-gauge aluminum with smooth mandrel bends, providing increased durability and optimized airflow. The hot side pipe measures 3 inches in diameter, while the cold side features a 3.5-inch diameter pipe, replacing restrictive OEM components and enhancing overall engine efficiency. Finished in a sleek gloss black powder coat, this kit combines performance with a refined appearance. Made in the USA, it complies with EPA standards and offers a reliable upgrade for serious diesel enthusiasts seeking increased horsepower and improved airflow without additional modifications. The set includes all necessary installation hardware and seals, ensuring a secure fit and long-lasting performance. Whether you're looking to boost your truck's power or improve its airflow capacity, the Wehrli Stage 2 High Flow Intake Bundle Kit is an ideal solution for your Duramax L5P engine.

Features:

  • OEM clip ring connection replaced with high-quality silicone boot and stainless steel T-bolt clamps for superior sealing and higher boost capability
  • 4-inch aluminum intake pipe with air box enclosure, dry filter, and Outerwears pre-filter cover for optimal filtration and easy maintenance
  • CNC-machined flange with double O-rings for enhanced sealing and boost leak prevention
  • Includes silicone boots, stainless steel clamps, O-rings, intercooler outlet clip, and installation hardware for a complete upgrade
  • Direct bolt-on fitment for 2017-2019 Chevrolet Silverado and GMC Sierra Duramax L5P without additional modifications
  • Upgraded hot side (3-inch) and cold side (3.5-inch) intercooler pipes for increased airflow and durability
  • Retains factory sensors and connection points for seamless integration
  • No tuning required, designed for straightforward installation
  • Finished with a durable gloss black powder coat for a sleek appearance
  • Made in the USA with high-strength, heavy-duty materials for long-lasting performance

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