Improve the performance of your 2003-2004 Dodge 5.9L Diesel with Intercooler Sprayer Kits and accessories. Intercooler sprayers can lowers intake air temperatures by as much as 35% and improves intercooler efficiency by as much as 50%. These kits are engineered to lower fuel and air temperatures as well as boost your intercoolerÂ’s thermal transfer. Get the parts and accessories you need from top quality brands like DEI and other high-quality brands available at XDP.