GM Truck Dual 12" Electric Fan Upgrade GMC-Jimmy-1998 On the 2013-14 trucks they

On the 2013-14 trucks they come factory with an electronic blow off valve

but as you know the wastegate is flowing more air volume at lower boost pressure so that is the real test

HSP0009SS- 94-95 Mustang GT ABS Front-Left Brake Hose

CBK0361SS- 1971-72 Chevy C10 / GM C1500

TCK7100SS - 71 GM with Long Bed

GM Truck Dual 12" Electric Fan Upgrade GMC-Jimmy-1998 On the 2013-14 trucks theyThis is a proven fan combination that we have tested with over the years with our shop Twin Turbo equipped 1500 design truck. With our twin turbos being mounted under the hood, we are clearly building a lot more heat than the average person. This fan moves over 3000 CFM, even on a hot summer day with the A C going, this will keep your engine temps in check. Don't be fooled by companies that sell cheap fans without any flow data. This fan was developed