Lexus 550 injectors and afm upgrade help plz
 

hi my car got some little mods on it (3 inch no-cat exhaust)...k&n air filter...arp torqued bolt and a good head gasket. the boost o up to 14-15 psi on my aftermarket boost gauge...so i decided to buy a boost controller...now i wanna make the leus 550 and afm upgrade but i need to know what are the years of them...

ty...john

94 LS400 is the one.

what is afm?

afm : air flow meter
or sumthimes pple call it
maf : mass air flow sensor

its that box between your intake filter and your throttle body