WCFAB 2020-2023 L5P Duramax Upper Coolant Pipe Ford 1999 This kit is hands down

This kit is hands down the strongest option for any GM Heavy Duty Truck

and 192% greater fin surface area than the stock 2003–2005 Duramax transmission cooler

Removable air box lid element allows for easy visual inspection and maintenance of your WCFab filter with included hydrophobic pre-filter cover

quicker throttle response

5-2005 GM LLY 6

WCFAB 2020-2023 L5P Duramax Upper Coolant Pipe Ford 1999 This kit is hands downPowdercoat colors can be found here! Aluminum Upper Coolant Pipe for 2020 2023 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces ugly rubber radiator hose with powder coated,fabricated aluminum hard pipe Cleans up engine bay appearance Includes high quality silicone boots and stainless t bolt clamps Will fit on stock trucks with no other modifications necessary Installs easily with basic hand tools