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if thats the case y do the VS's need a Y pipe 2 join headers onto the cat and the VTs dont? i dunno much bout exhaust systems but the exhaust bloke was talkin bout 2 pipes coming off the cat on VT 2 join 2 the headers and the VS have 1 coz it was mounter 2 the side? is he talkin bout a V8 mayb? ahh this ****s confusing lol