>The 3" High Flow Driver side Intercooler pipe for the 2017 L5P Duramax. Replaces the factory two piece 2 ½" inter cooler pipe with a high flow one piece 3" pipe. It also includes upgraded silicone...

Aluminum Upper Coolant Pipe replaces the OEM rubber upper coolant hose and comes powder coated color of choice! For use with OEM GM radiator! Some aftermarket radiators may cause fitment issues!

3 1/2" Turbo Intake Horn for the 2017-2019 L5P Duramax with factory style Turbo. The OEM plastic intake horn is 2.4" diameter and we experienced a 25HP Gain with our 3.5" Horn when used with a Max...

Take your L5P to the next level with custom tuning!  L5P Tuning Package includes everything you need to tune your 2017 & 2018 L5P Duramax. No need to delete your exhaust or tamper with...

WCFab 2017-2019 GM L5P 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic...

Replace the lightweight, leak prone, 1 5/8" OEM up pipes on your 2017-2019 Duramax with these heavy duty 11 gauge 2" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM...