Max Air Flow Bundle Kit For 2020-2025 Silverado/Sierra 2500/3500 HD L5P Duramax Illusion Blueberry HSP Diesel GM Diesel/GM Gas " Part Number: 25-187786

Part Number: 25-187786

KM544 20X9 8X170 S-BLK GTCC 18MM

Part Number: 115010120

Flowmaster's Scavenger Series Outlaw II Collector mufflers are designed to attach directly to the exhaust header primary tubes of race headers

13" Full Performance Organic Clutch Kit w/ South Bend Clutch Flywheel 400 hp 800 ft-lbs trq 15k towing capacity

Max Air Flow Bundle Kit For 2020-2025 Silverado/Sierra 2500/3500 HD L5P Duramax Illusion Blueberry HSP Diesel GM Diesel/GM Gas " Part Number: 25-187786The 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