Ok I have an 06 Evo 9 MR. Currently I have the Turbo XS RFL BOV and am thinking about changing it back to stock as from what I am being told this aftermarket unit is not as good as the stock one and may cause some issues. That being said I am a little confused in relation to the stock MR 9 BOV as I see people listing a JDM Evo 9 MR BOV also. Is there a difference with the JDM Evo 9 MR BOV that I see most of the vendors listing versus ording a brand new Evo 9 MR BOV from my local dealer ?

Thanks in advance,
MarK.

 

no

 

Ok so the BOV on the US Evo 9 MR is in fact the same as the BOV listed as the JDM Evo 9 MR BOV then ? Sorry to be a pain, just want to clarify before I order the part and find out it's not what I wanted.
Secondly my upgrade path is as follows. I am going to go to Dyno Flash at some point soon and get an Exhaust, Filter, Fuel Pump and a Custom Tune. With this considered is my best bet still the stock MR 9 BOV or should I be looking for somthing else based on my upgrades. From what I have read it seams the Evo 9 MR BOV should be sufficient on the mods I mentioned but any further input would be appreciated.

Thanks,
MarK Solomon.

 

No their the same thing but your right stay away from the Turbo XS BOV I know a buddy that ran one on his Evo and it was horrible. The BOV yes was very loud but his car would always cut off and sputter around. When he would make the transition from say first to reverse or the other way around he would have to keep on the gas a hair to keep it from dyeing out. When approaching stop signs or red lights he would have to downshift he could not just put it in neutral because it would die out. Also the Evo 9 BOV is metal and much better.

 

Ok perfect well I think I shall be returning it to stock. In regards to my other question, with my upgrades I am planning on is the stock Evo 9 MR BOV still my best option or should I be considering an aftermarket re circ BOV ?

Thanks,
MarK.

 

Next question is... Should we still upgrade BOV or keep the stock one that recirculate? Or which BOV can be used that do not have to be recirculated?

 

keep the evo9mr bov, the bov is good for the mods your planning to do

 

Right perfect guys, much appreciated I shall be making a call to my local dealer tomorrow and ordering the Evo 9 MR BOV. That being said I'll be selling my Turbo XS RFL so if any of you guys want it let me know.

Thanks again,
MarK.

 

I never thought I would say this...but you might want to do a search. I know it takes like 30 seconds, but you will find answers to your questions and then some.

Long story short--keep the MR 9 BOV until you go with a bigger turbo. Period.

 

While we're on topic, are the regular IX and MR version bov's the same? I'm assuming yes, but can anyone confirm that?

Thanks,

 

I think The regular IX is plastic. MR is metal and much better.
Correct me if i am wrong.

 

Well I drive a regular IX and the top hat part is metal. So is it the top part to look for as in plastic/metal or some other part of the bov?

 

All 8s came with plastic DVs, all 9s come with the highly praised JDM MR DV that's metal and holds boost very well until the 25psi level. Search in the for sale section for any 9 owners that are selling their stock unit.

Blu, the plastic DVs are entirely made with black plastic. If yours is metal and isn't black, you're good to go.

 

plastic bov: evo 8 rs and gsr
jdm metal bov: evo 8 mr and 9 ^

 

HKS, all the 8s came with the plastic DV.