Fits: 2001-2024 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML/L5P Duramax Diesel with WCFab Intake Kit

Replacement dry style air filter used in Wehrli Custom Fabrication 4" intake kits and S300 single install kits.

Features:

• Dry Air Filter 4" inlet
• Airflow comparable to cotton filters
• Exceptional filtration keeps your engine protected from harmful debris
• Lasts up to 30,000 miles on the highway
• Extend the life of the filter using compressed air

Includes:

• 4" Inlet dry style filter

Notes:

• Cleaning/replacement intervals depend on your driving conditions
• Inspect your air filter every 5,000 miles by removing the filter cover and examining the pleats
• Clean and blowing out your dry air filter with compressed air will help extend the life of the primary filter media
• Replace the dry filter every 15-30,000 miles or when you notice that the filter pleats are starting to collapse
• This filter is NOT WASHABLE, only clean with compressed air no closer than 6 inches to media