The hissing is supposed to happen what your hearing is the filter suck in the air...cool

scott


1995 Mystique
2.5L V.6 DOHC MTX
Magnaflow Exhaust, KKM, Ford Motorsport 9mm Wires
135,000mi on car/ 40,000 on engine
I'm a tech in a Ford garage and I hate working on these things, but I love my car.