Wehrli 20-25 Chevrolet Duramax L5P Stage 2 High Flow Intake Bundle Kit - Illusion Purple

SKU: WCF100414-IP

Wehrli 2020-2025 Chevrolet Duramax L5P Stage 2 High Flow Intake Bundle Kit - Illusion Purple

This Stage 2 bundle kit upgrades the intake and intercooler piping on 2020-2025 Chevrolet Silverado 2500/3500 HD and GMC Sierra 2500/3500 HD trucks with L5P Duramax diesel engines. It delivers a 25HP gain using OEM intake diameter paired with a 4-inch turbo inlet and Max Effort Tune. Heavy-duty components ensure reliable airflow and easy maintenance for daily driving or heavy towing.

Key Features

• High Flow Intake: Matches OEM diameter for direct fit with 25HP gains tested alongside 4-inch turbo inlet and tuning, plus silicone boot seals and stainless T-bolt clamps for secure installation.
• Removable Air Box Lid: Allows quick visual checks and cleaning of WCFab filter, includes hydrophobic pre-filter cover to protect MAF sensor turbo and engine from contaminants.
• Upgraded Driver Hot Side Pipe: Replaces restricted 2.5-inch 2-piece resonator pipe with smooth 3-inch mandrel-bent 14-gauge aluminum one-piece design for better flow and no leaks.
• Passenger Cold Side Pipe: Swaps leak-prone 2-piece plastic/rubber setup for durable 3.5-inch diameter mandrel-bent aluminum tube to handle high boost levels.
• USA Made Durability: Crafted from high-strength 14-gauge aluminum with aerodynamic bends powdercoated in Illusion Purple for corrosion resistance and long life.

Product Notes

• Kit includes all hardware for complete bolt-on upgrade no cutting required.
• Use included pre-filter cover in dusty conditions for extended service intervals.
• Ships in protective packaging weighs 22 lbs box measures 42in x 14in x 12in.

Installation Notes

• Professional installation recommended.
• Bolt-on design uses existing mounting points 2-3 hours for experienced mechanic.
• Compatible with stock turbo and intercooler T-bolt clamps secure all connections.

This Part Fits

Why Choose Wehrli?

• Proven diesel performance parts trusted by L5P owners nationwide.
• Heavy-duty construction handles towing and high boost without failure.
• Precision mandrel bends and fitment engineered for Duramax platforms.

Frequently Asked Questions

• Q: Does this fit my 2023 GMC Sierra 3500 Denali L5P?
  A: Yes direct bolt-on for all listed 2020-2025 Silverado Sierra 2500/3500 HD L5P models no modifications needed.
• Q: What material and finish is used?
  A: 14-gauge high-strength aluminum tubes with smooth mandrel bends finished in durable Illusion Purple powdercoat.
• Q: What warranty and tuning is required?
  A: Backed by Wehrli limited lifetime warranty 25HP gains with Max Effort Tune and 4in turbo inlet.

Shipping & Handling

• Method: UPS Ground or Freight for HD trucks
• Availability: In stock - ships same or next business day
• Packaging: Secure foam-lined box 42 x 14 x 12 inches
• Weight: 22 lbs