Max Air Flow Bundle Kit For 2020-2025 Silverado/Sierra 2500/3500 HD L5P Duramax Kingsport Grey HSP Diesel " FLEECE PERFORMANCE Easy to install replacement filter

Easy to install replacement filter (oiled)

5/8 Hitch Pin 4 Useable Length & Twist Clip

Engines Built Before 12/07/1998

you'll enjoy smooth throttle response

17 in x 3 in Ultra-wide design for maximum visibility

Max Air Flow Bundle Kit For 2020-2025 Silverado/Sierra 2500/3500 HD L5P Duramax Kingsport Grey HSP Diesel " FLEECE PERFORMANCE Easy to install replacement filterThe HSP Diesel Max Air Flow Bundle Kit for 2020 2025 Chevrolet and GMC L5P Duramax trucks combines HSP's most popular airflow upgrades into one complete performance package. Designed to improve reliability, airflow efficiency, turbo response, and overall engine bay appearance, this bundle is ideal for stock trucks, tuned applications, towing setups, and performance builds alike. By upgrading the factory hot side pipe, cold side intercooler pipe, and