I have a CRX with fully built b18c turbo motor. i just pulled the motor and its headed to the machine shop to get some stuff done. I wanted to clean up the engine bay a little maybe do a mild tuck but i was just curious about some stuff. Can i get rid of the vacume can on the passenger side, and the pcv valve on the firewall? i can also get rid of that map sensor because i have a 3bar but the whole setup thats there has a pvc valve, i wanna get rid of it all but i just want to make sure i can. I dont beleive its necessary to keep all of that stuff but i just want to make sure before i rip **** apart...thanks

 

The stuff on the pass side of your car is like EGR valve.. I completely removed that and the charcoal canister and my car still runs fine. As for the map senor you can wire in the 3bar and completely remove the stock map, although alot of people just splice into it so you have a backup if the 3 bar fails. You can still limp your car home if something goes wrong.

 

everything you need to know and more
https://honda-tech.com/forums/honda-acura-28/shaved-tucked-customized-engine-bays-pics-theory-discussion-1693934/