2020-2024 Chevrolet/GMC L5P Duramax Fuse Box Cover Illusion Blueberry HSP Diesel " BILSTEIN SHOCKS Once this step has been

Once this step has been performed you can apply aftermarket tuning to your truck as you have in the past if you are after higher power levels or other engine tuning modifications

Designed to be used with stock intake horn (contact customer service for fitment questions)

These small

SAC Nozzles flowing at 100 percent over with injector body modifications for added fuel delivery

Cast Steel

2020-2024 Chevrolet/GMC L5P Duramax Fuse Box Cover Illusion Blueberry HSP Diesel " BILSTEIN SHOCKS Once this step has beenThe D 643 2 HSP, also known as the HSP Fuse Box Cover, is a precision crafted upgrade for 2020 2024 L5P Duramax trucks, combining performance, protection, and style. Designed to clean up the engine bay and replace faded factory plastic, this sheet metal fuse box cover is fabricated from CNC bent aluminum and TIG welded for exceptional strength and durability. The cover overlays the factory plastic fuse box lid, eliminating worries about water