Interestingly, Mazda opted to return to its regular intake structure for that 13B turbo engine instead of the upgraded intake very first seen to the 13B-RESI. I'm from France and not too long ago addressed Craig at JJH for my current RX7 swap. Craig went over and further than that https://13b-turbo-engine-for-sale27047.madmouseblog.com/7032848/how-much-you-need-to-expect-you-ll-pay-for-a-good-rx7-turbo-2-motor-for-sale