GMC Sierra 3500 HD Performance Air Intake - Wehrli 4in Intake Kit, Fine Texture Black (2020-2025). A high-flow fabricated aluminum intake and air box engineered for the 6.6L Duramax L5P.

The 4 in piping and aluminum air box replace restrictive factory plastic, drawing cool air from the hood Ram Air duct and inner fender. Expect improved turbo airflow, quicker throttle response, cooler intake temps, and a stronger engine/turbo note. Installs with basic tools; no tuning required. Fits stock trucks. Disable the factory air filter monitor to avoid service messages.

Features

• 10-gauge aluminum air box and lid
• 4 in aluminum intake pipe
• Dry filter with Outerwears pre-filter
• Silicone boot and stainless T-bolt clamps
• Seal to functional hood Ram Air port
• Fine Texture Black powder coat

Questions or ready to schedule? Call our Austin, TX shop at 512-982-9393 or our Los Angeles, CA area shop at 562-981-6800. We offer professional installation and customization at both locations.

Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov