Improve the performance of your 2001-2004 Chevy/GMC 6.6L LB7 Duramax 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 were created to boost your intercooler�s thermal transfer as well as lower fuel and air temperatures. Find the components you need to get the job done from DEI and other top manufacturers at XDP!