mr_denner Posted June 15, 2011 Share Posted June 15, 2011 Hi Guys I had rb25det on 240z but having trouble installing the air filter, no much space for the stock induction pipe ,and I live away from the car. so going to buy a short coupler but I need to know the diameter of the inlet and out let of the induction pipe or any suggestions !! looking for size of 1 and 2 in the picture below: thanks Quote Link to comment Share on other sites More sharing options...
jakeoster Posted June 16, 2011 Share Posted June 16, 2011 1. 2 1/2" ID 2. 3 1/4" ID Quote Link to comment Share on other sites More sharing options...
240zrb Posted June 16, 2011 Share Posted June 16, 2011 I had the same problem, but I just cut back the number 2 section with the bend. That way I was left with a slightly shorter intake pipe, and more room for AFM and filter. Was a b*tch to get the AFM into the "wavy" section of the intake pipe tho... Quote Link to comment Share on other sites More sharing options...
mr_denner Posted June 16, 2011 Author Share Posted June 16, 2011 (edited) thanks guys appreciate that, sure that number 2 is 3.25" (Iam using rb25 maf) I might cut the hose and give it a go thanks again Edited June 16, 2011 by mr_denner Quote Link to comment Share on other sites More sharing options...
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