Wez Posted March 16, 2004 Share Posted March 16, 2004 Hey All, Just a quick question, is there any difference in the flanges on the first cat between UK/US and J-Spec supras? I remember seeing a while ago that Apexi made some Cat replacement pipes but they only fitted J-Specs, how come? Link to comment Share on other sites More sharing options...
eyefi Posted March 16, 2004 Share Posted March 16, 2004 aye, look here Link to comment Share on other sites More sharing options...
Wez Posted March 16, 2004 Author Share Posted March 16, 2004 Hey Eyefi, Thanks for the link, looking through that briefly it looks like the manifold to head stud pattern is the same, I am also sure this is the case otherwise the US turbo kits would not fit on the J-Spec motors. The part I am interested in is the where CAT1 mates up to the turbo downpipe, this also looks the same looking through the MKIV website. Link to comment Share on other sites More sharing options...
eyefi Posted March 16, 2004 Share Posted March 16, 2004 ah, sorry ithought there was a direct comparision pic in there of the very flange u r talking about. im sure the top flange of the 1st decat is different but the bottom one (to 2nd decat) is the same. Link to comment Share on other sites More sharing options...
michael Posted March 16, 2004 Share Posted March 16, 2004 Originally posted by Wez Hey All, Just a quick question, is there any difference in the flanges on the first cat between UK/US and J-Spec supras? I remember seeing a while ago that Apexi made some Cat replacement pipes but they only fitted J-Specs, how come? I got sent a J-Spec front cat in error when I bought mine - basically it was a little bit too short, at slightly the wrong angle and the stud pattern was the same but the studs were further apart.... I think that's what it was anyway. Either way it wouldn't fit Link to comment Share on other sites More sharing options...
Wez Posted March 16, 2004 Author Share Posted March 16, 2004 Buggery bugger. Anyone know where I can get a 3" - 4" UK/US spec replacement pipe for CAT1 by weekend? My US turbo kit has a turbo downpipe that mates up to the UK/US spec CAT1, I have been told the RMM will do but I am not going to be able to get one by the weekend. Link to comment Share on other sites More sharing options...
eyefi Posted March 16, 2004 Share Posted March 16, 2004 leon? paul whiffin? totally custom? Link to comment Share on other sites More sharing options...
Wez Posted March 16, 2004 Author Share Posted March 16, 2004 Thanks Link to comment Share on other sites More sharing options...
Jake Posted March 16, 2004 Share Posted March 16, 2004 Originally posted by eyefi leon? paul whiffin? totally custom? Chris Wilson ! Link to comment Share on other sites More sharing options...
eyefi Posted March 17, 2004 Share Posted March 17, 2004 Originally posted by Jake Chris Wilson ! does not do a 3" or 4" ! Link to comment Share on other sites More sharing options...
Guest Terry S Posted March 17, 2004 Share Posted March 17, 2004 TBH it's probably easiest buying a J spec and modifying the flange. Link to comment Share on other sites More sharing options...
Wez Posted March 17, 2004 Author Share Posted March 17, 2004 Hey Terry, How different are they? Link to comment Share on other sites More sharing options...
Guest Terry S Posted March 17, 2004 Share Posted March 17, 2004 Put it this way, I had the first JDM Mongoose in the UK. When it arrived it was a UK spec. I went back to Blue Flame, and they drilled the flange and modified while I waited. Took about 3 hours inc removal and refitting. Link to comment Share on other sites More sharing options...
Supraguy Posted March 17, 2004 Share Posted March 17, 2004 Originally posted by Wez Buggery bugger. Anyone know where I can get a 3" - 4" UK/US spec replacement pipe for CAT1 by weekend? Last time I was in JPS, Leon had a few just shipped in. Might want to give him a ring. Link to comment Share on other sites More sharing options...
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