i would rather not blow up ..lol i seen videos where ther ewas a leak into the passenger compartment ,and a "test " was conducted with replacement refrigerants amd let ssay i'd rather have sack cancer than the roof of my truck blow off and me get killed. plus if you get in an accident and for somereason the system is opened ther eis propaine right in the engine compartment with the possibility of a spark ..no thanks.