kluthage421 Posted July 17, 2007 Share Posted July 17, 2007 I know what it is but does it have to be used in conjunction with a dual exhaust? Would a Hi-flow Y do good on an ES300? Quote Link to comment Share on other sites More sharing options...
Toysrme Posted July 26, 2007 Share Posted July 26, 2007 Yes it would do alot of good, and no it is a Y pipe. Not an X pipe. Y = two inlet's one outlet. Two cylinder banks feed into one pipe that stays one pipe. hence, a single exhaust. Quote Link to comment Share on other sites More sharing options...
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