# Wehrli 20-24 Chevrolet 6.6L L5P Duramax High Flow Intake Bundle Kit - Illusion Cherry

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

-   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

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

## Details

- **Price:** 2343.38 CAD
- **Vendor:** Wehrli
- **Type:** Cold Air Intakes

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2343.38 CAD | In stock |

## Images

- Photo - Primary
- User 1
- User 1
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wehrli-20-24-chevrolet-6-6l-l5p-duramax-high-flow-intake-bundle-kit-illusion-cherry)
> Updated: 2026-07-03