Upgrade your charge-air system and keep boost where it belongs with the S&B Hot & Cold Side Intercooler Boot Kit for your 2004.5–2005 GM 6.6L Duramax LLY.
This complete kit includes all four intercooler boots and a full set of eight premium T-bolt clamps, no reusing old, worn-out hardware. Each boot is manufactured in-house by S&B using 4 plies of aramid reinforcement and ultra-durable high-temp silicone rubber, built to handle high boost pressures and extreme heat for the lifetime of your truck. The included spring-loaded T-bolt clamps are top-of-the-line, designed to maintain constant tension and a secure seal, even under heavy load and high temps, so you can ditch boost leaks and cracked boots for good.
Regardless if your truck is bone stock or tuned, this S&B Intercooler Boot Kit gives your LLY the strength and reliability it needs to hold boost and perform at its best.