What's the safest max boost I could run them to? I know they're not as durable as the USDM ones. I was planning 14 psi daily driven and 18 psi occasionally.

 

i have heard that 14 or 15 psi is about the max for the stock turbos.

 

or just upgrade to USDM twins.

 

18psi is what is claimed to be the safe boost

 

ah ok, thanks.

 

Rage, that 18psi is absolutely not realistic....you'd be very lucky to see 18psi more than a few time before JDM ceramics turn into shrapnel and you loose all their wonderful early spool and tq. Parnzen is correct and for a reasonable safety margin, the number not to exceed might barely be like one bar on JDM's

Also, there there is much better and accurate info on your question on SF. Specifically one example: http://www.supraforums.com/forum/sho...=ceramic+boost