Originally posted by ChattavegasSE:
There's some kind of valve inside the metal tube.




You're kidding, right???


'99 Sport TropicGreen,Duratec, SVT exhaust, Brembo rotors, Ceramic pads, K&N filters(oil & air), Alpine CDM7874, Polk DB570 speakers front and rear. Fog light mod. 50% Formula One tint.