My stock IX bov is crushed but my tuner said it was still leaking at 29-30 psi. I've heard great things about the APS BOV, but if you have to "maintain it" like you said, then that's a little annoying. I like to have a "set it and forget it" BOV.

 

Just take a look at Ted B.'s setup. He uses nothing but the best parts on his car and he currently has the Synchronic DV.

I am in the same boat as the OP so I will be watching this thread closely to see what others have to offer, but so far the Synchronic DV seems choice.

 

Topic beaten to death... stock mr bov is just fine. Aps or synapse for aftermarket do not go vta if you running maf it will suck between shifts afr will be off a little plus it will shorten spark plugs life.