Matt H Posted September 7, 2006 Share Posted September 7, 2006 So you have both CATS removed to increase flow through the exhaust, then you stick a restrictor ring in to restrict it. I know that the flow is much higher with the restrictor ring in and cat gone but why not just a thinner exhaust? I know again that future mods may require a larger restictir ring but you know! I was just kinda thinking to myself then ! Quote Link to comment Share on other sites More sharing options...
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