mikeyb10supra Posted July 10, 2007 Share Posted July 10, 2007 If you do replace it consider the Chris Wilson SMIC, the best you can get, I think there is a group buy on at the mo A very well made intercooler but not as good as a direct replacement from toyota How essential is a decat when raising boost? I love how quiet the stock exhaust system is and dont want to be messing about putting a cat back in every MOT time. Can you just keep them in or loose one? Its a UK spec if it makes any difference. Its not essential, however a turbo works on back pressure, CAT acts as a restriction....so No cats = less backpressure = more boost There are many ways to raise the boost, bleed valve, boost controller and of sourse removing the CAT's Only safe way to do it is to get the CAT's out first otherwise your raising the boost by other means, making the turbos work against a resistance and will prob end up doing some damage as your CAT's start to melt Quote Link to comment Share on other sites More sharing options...
robin Posted July 10, 2007 Author Share Posted July 10, 2007 Don't like the sound of melting cats.. Isnt the only ray to raise boost on a UK with a controller? Quote Link to comment Share on other sites More sharing options...
mikeyb10supra Posted July 10, 2007 Share Posted July 10, 2007 Don't like the sound of melting cats.. Isnt the only ray to raise boost on a UK with a controller? Ahh its a UK.....yep get the cats out and get a decent boost controller to raise it, or a bleed valve Quote Link to comment Share on other sites More sharing options...
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