Skip to content
by Wehrli

Wehrli 20-24 Duramax L5P High Flow Intake Bundle Kit - Gloss Black

Save 3% Save 3%
Original price $699.00
Original price $699.00 - Original price $699.00
Original price $699.00
Current price $678.03
$678.03 - $678.03
Current price $678.03
Availability:
9 in stock, ready to be shipped

Free returns on all eligible orders

You have 30 days to request a return. All sale items are final sale.

Stage 1 upgrade for the 2020-2025 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard working and high performance applications. - Kit replaces 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 the OEM resonator and middle boot joint for improved flow and durability and includes high quality reinforced silicone boots and stainless t-bolt clamps for superior temperature resistance and boost pressure holding capabilities. 3.5" Passenger Side pipe features a CNC machined flange with a double o-ring seal and an upgraded silicone boot in order to withstand higher boost pressures than the factory components to increase reliability and eliminate blown factory boots and horsepower robbing boost leaks. Full assembly finished in your choice of WCFab's signature custom powder coat colors for a look as unique as your truck. Installs with basic hand tools. Compatible with stock trucks, no tuning required. Saves $25 vs. buying individually.

Installation Instructions
  • 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
  • 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
  • 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
Shipping information

Use this text to share information about your product.

Returns & warranty

Use this text to share information about your product.

Vehicle Compatibility 121 vehicles

Year Make Model Submodel
2020 GMC Sierra 2500 HD AT4
2021 GMC Sierra 2500 HD AT4
2022 GMC Sierra 2500 HD AT4
2023 GMC Sierra 2500 HD AT4
2024 GMC Sierra 2500 HD AT4
2025 GMC Sierra 2500 HD AT4
2024 GMC Sierra 2500 HD AT4X
2025 GMC Sierra 2500 HD AT4X
2020 GMC Sierra 2500 HD Base
2021 GMC Sierra 2500 HD Base
2020 GMC Sierra 2500 HD Denali
2021 GMC Sierra 2500 HD Denali
2022 GMC Sierra 2500 HD Denali
2023 GMC Sierra 2500 HD Denali
2024 GMC Sierra 2500 HD Denali
2025 GMC Sierra 2500 HD Denali
2024 GMC Sierra 2500 HD Denali Ultimate
2025 GMC Sierra 2500 HD Denali Ultimate
2022 GMC Sierra 2500 HD Pro
2023 GMC Sierra 2500 HD Pro
2024 GMC Sierra 2500 HD Pro
2025 GMC Sierra 2500 HD Pro
2020 GMC Sierra 2500 HD SLE
2021 GMC Sierra 2500 HD SLE
2022 GMC Sierra 2500 HD SLE
2023 GMC Sierra 2500 HD SLE
2024 GMC Sierra 2500 HD SLE
2025 GMC Sierra 2500 HD SLE
2020 GMC Sierra 2500 HD SLT
2021 GMC Sierra 2500 HD SLT
2022 GMC Sierra 2500 HD SLT
2023 GMC Sierra 2500 HD SLT
2024 GMC Sierra 2500 HD SLT
2025 GMC Sierra 2500 HD SLT
2020 GMC Sierra 3500 HD AT4
2021 GMC Sierra 3500 HD AT4
2022 GMC Sierra 3500 HD AT4
2023 GMC Sierra 3500 HD AT4
2024 GMC Sierra 3500 HD AT4
2025 GMC Sierra 3500 HD AT4
2020 GMC Sierra 3500 HD Base
2021 GMC Sierra 3500 HD Base
2020 GMC Sierra 3500 HD Denali
2021 GMC Sierra 3500 HD Denali
2022 GMC Sierra 3500 HD Denali
2023 GMC Sierra 3500 HD Denali
2024 GMC Sierra 3500 HD Denali
2025 GMC Sierra 3500 HD Denali
2024 GMC Sierra 3500 HD Denali Ultimate
2025 GMC Sierra 3500 HD Denali Ultimate
2022 GMC Sierra 3500 HD Pro
2023 GMC Sierra 3500 HD Pro
2024 GMC Sierra 3500 HD Pro
2025 GMC Sierra 3500 HD Pro
2020 GMC Sierra 3500 HD SLE
2021 GMC Sierra 3500 HD SLE
2022 GMC Sierra 3500 HD SLE
2023 GMC Sierra 3500 HD SLE
2024 GMC Sierra 3500 HD SLE
2025 GMC Sierra 3500 HD SLE
2020 GMC Sierra 3500 HD SLT
2021 GMC Sierra 3500 HD SLT
2022 GMC Sierra 3500 HD SLT
2023 GMC Sierra 3500 HD SLT
2024 GMC Sierra 3500 HD SLT
2025 GMC Sierra 3500 HD SLT
2021 Chevrolet Silverado 2500 HD Custom
2022 Chevrolet Silverado 2500 HD Custom
2023 Chevrolet Silverado 2500 HD Custom
2024 Chevrolet Silverado 2500 HD Custom
2025 Chevrolet Silverado 2500 HD Custom
2020 Chevrolet Silverado 2500 HD High Country
2021 Chevrolet Silverado 2500 HD High Country
2022 Chevrolet Silverado 2500 HD High Country
2023 Chevrolet Silverado 2500 HD High Country
2024 Chevrolet Silverado 2500 HD High Country
2025 Chevrolet Silverado 2500 HD High Country
2020 Chevrolet Silverado 2500 HD LT
2021 Chevrolet Silverado 2500 HD LT
2022 Chevrolet Silverado 2500 HD LT
2023 Chevrolet Silverado 2500 HD LT
2024 Chevrolet Silverado 2500 HD LT
2025 Chevrolet Silverado 2500 HD LT
2020 Chevrolet Silverado 2500 HD LTZ
2021 Chevrolet Silverado 2500 HD LTZ
2022 Chevrolet Silverado 2500 HD LTZ
2023 Chevrolet Silverado 2500 HD LTZ
2024 Chevrolet Silverado 2500 HD LTZ
2025 Chevrolet Silverado 2500 HD LTZ
2020 Chevrolet Silverado 2500 HD WT
2021 Chevrolet Silverado 2500 HD WT
2022 Chevrolet Silverado 2500 HD WT
2023 Chevrolet Silverado 2500 HD WT
2024 Chevrolet Silverado 2500 HD WT
2025 Chevrolet Silverado 2500 HD WT
2024 Chevrolet Silverado 2500 HD ZR2
2025 Chevrolet Silverado 2500 HD ZR2
2020 Chevrolet Silverado 3500 HD High Country
2021 Chevrolet Silverado 3500 HD High Country
2022 Chevrolet Silverado 3500 HD High Country
2023 Chevrolet Silverado 3500 HD High Country
2024 Chevrolet Silverado 3500 HD High Country
2025 Chevrolet Silverado 3500 HD High Country
2020 Chevrolet Silverado 3500 HD LT
2021 Chevrolet Silverado 3500 HD LT
2022 Chevrolet Silverado 3500 HD LT
2023 Chevrolet Silverado 3500 HD LT
2024 Chevrolet Silverado 3500 HD LT
2025 Chevrolet Silverado 3500 HD LT
2020 Chevrolet Silverado 3500 HD LTZ
2021 Chevrolet Silverado 3500 HD LTZ
2022 Chevrolet Silverado 3500 HD LTZ
2023 Chevrolet Silverado 3500 HD LTZ
2024 Chevrolet Silverado 3500 HD LTZ
2025 Chevrolet Silverado 3500 HD LTZ
2020 Chevrolet Silverado 3500 HD WT
2021 Chevrolet Silverado 3500 HD WT
2022 Chevrolet Silverado 3500 HD WT
2023 Chevrolet Silverado 3500 HD WT
2024 Chevrolet Silverado 3500 HD WT
2025 Chevrolet Silverado 3500 HD WT