importwarrior Posted June 6, 2014 Report Share Posted June 6, 2014 I currently have a .82a/r turbine housing.I want to swap to a smaller .63 or a .49a/r. would I have to modify the downpipe just because the smaller AR?or the AR will not change the position or location of the downpipe. Thanks, Link to comment Share on other sites More sharing options...
StarquestRescue Posted June 6, 2014 Report Share Posted June 6, 2014 What brand turbine housing? There are many. Link to comment Share on other sites More sharing options...
ucw458 Posted June 6, 2014 Report Share Posted June 6, 2014 As long as the new housing has the same outlet flange and bolt pattern then the DP does not need to be changed. Link to comment Share on other sites More sharing options...
Technology Posted June 6, 2014 Report Share Posted June 6, 2014 Yeah, A/R is internal, the flanges remain in the same place, just make sure you buy a housing with the same flanges as your current one and you'll be fine. is it T4 or T3? I wouldn't go to the .48, that's for hondas with 1.6 liter engines. Link to comment Share on other sites More sharing options...
importwarrior Posted June 6, 2014 Author Report Share Posted June 6, 2014 (edited) Thanks for all the replies. the turbo and turbine housing are from the same make model.Turbonetics T3 82ar currently and want to go down to a 64ar T3 turbine Edited June 6, 2014 by importwarrior Link to comment Share on other sites More sharing options...
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