Don't let a stock intercooler boot ruin your day, at the track or on the strip. Upgrade your 7.3L today with Sinister Diesel Upgraded Intercooler Charge Pipe Silicone Boots and Clamps. FeaturesHeavy Duty High Temperature Four Ply Silicone Boots, Every boothose that Sinister manufactures is designed to exceed factory specifications., Won't split or crack like the factory rubber boots can., Hot side and cold side Sinister Diesel brand hoses., Kit Includes - (6) Four Ply Silicone boots and (12) Stainless Steel Spring Clamps, 300 Series Stainless Steel Spring Clamps., Burst rating of 400psi.