Find Intercooler Sprayer Kits and accessories to improve the performance of your 2006-2007 Chevy/GMC 6.6L LLY/LBZ Duramax. 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. Get the parts and accessories you need from top quality brands like DEI and other high-quality brands available at XDP.