den1 Posted January 16, 2011 Share Posted January 16, 2011 I have a 1994 J-Spec Supra TT GZ and I have recently bought a Medalion Touring 3" Exhaust I will be looking for the 2 decat downpipes to fit into the system....... Considering the car has stock TT.s and will have a 2" restrictor plate fitted, do would I be best served using 3" decat pipes...or would 2&1/2 " suffice Thanks D Quote Link to comment Share on other sites More sharing options...
Scott Posted January 16, 2011 Share Posted January 16, 2011 (edited) If you go with the 2.5" decat you will probably need to open out the 2" restrictor ring as I think those measurements are based on 3" rather than 2.5". Is there much of a difference in price? It's always going to be a case of the free'er the better IMO, so I would get the 3" decats and be done with it Edited January 17, 2011 by Scott (see edit history) Quote Link to comment Share on other sites More sharing options...
fastcar Posted January 16, 2011 Share Posted January 16, 2011 i have the 2.5 decats on my j-spec TT with a 2 inch (1 Bar) restrictor and a Tanabe concept blue G. and was pushing just over 1 Bar before i plumbed in my boost controller. i cant really see any reason for getting a 3 inch decat unless u have a uk spec supra because u have to restrict it anyways. Have a look at garagewhiffbitz.com and have a look at there double decat pipes. i have them on my supra the build quality and fitment is superb Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted January 16, 2011 Share Posted January 16, 2011 I have 2.5 inch all stainless mandrel bent pipes in stock for J-Spec TT and N/A models, with all gaskets, restrictor ring and new nuts and bolts. E-mail me and I'll see if I can tempt you with the price Quote Link to comment Share on other sites More sharing options...
den1 Posted January 17, 2011 Author Share Posted January 17, 2011 Does anybody have any more ideas about this? Quote Link to comment Share on other sites More sharing options...
ADD Posted January 17, 2011 Share Posted January 17, 2011 I have two 2.5 inch decat pipes for sale mate Quote Link to comment Share on other sites More sharing options...
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