Gamer Posted September 29, 2007 Share Posted September 29, 2007 Taken from the Boostlogic site regarding running the baffle that they supply for the 4" BL back box. We recommend removing the silencer if you are planning on running more than 8-10psi of boost. http://www.boostlogic.com/xcart/product.php?productid=88&cat=6&page=1 Quote Link to comment Share on other sites More sharing options...
paul mac Posted September 30, 2007 Share Posted September 30, 2007 How do you find that? I'm in the process of fitting mine, but was in two minds wether to drill the butterfly, as I'm a little concerned about excessive backpressure. Have you adjusted yours to close half way or more? how did you get on with this mate, just fitted an ecv with a boostlogic 4" it works pretty well as is but you have to open it as soon as you come on boost as the egt's get high very quick Quote Link to comment Share on other sites More sharing options...
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