hmm, I removed mine completely and still passed Massachusetts relatively strict emmisions requirements... Not sure which hose is which though.krash14 wrote:thanks for all the help. one last question, im prolly annoying the hell out of you guys, lol. the hoses do go to the AIV, theres two connections on the AIV, a brass one and a black one. theres a hose with red tape and a hose with blue tape, which one goes where? thanks alot for all the help guys.