38" tial waist gate polished blow off valve ,extremly well done even my buddies who only like Volkswagen s were impressed with everything
Holy Crap! 38 inches! Massive super-lucky nice PSSHSHSHSHSHHSHSHH!!!!!!! He can has best sound valve! Clean!
It's probably got the same effect as 44" subwoofer. Scaring women & children, breaking storefront windows, causing cats & dogs to spontaneously mate, etc.