Add to Cart Big Boss Charge Air Cooler Boot Kit By PDI Performance Diesel MSRP: Now: $437.95 Was: Big Boss Charge Air Cooler Boot Kit By PDI Interchangeable Charge Air Cooler Boot Kit Fits Most Truck Applications Including Peterbilt, Kenworth, Freightliner And More Temperature Range Up To 525 Degrees Works Both On The Hot Side or Cold Side 4 Ply... MSRP: Now: $437.95 Was: Add to Cart