Not sure if you can make any blow off valve work on a st205 or does it need to be a specific one?
BOV help on st205 - 6G Celicas Forums
any one will work. the 3rd gen is a MAP based system so you dont have to re-circulate the released air. do a google search, it can go on the intercooler
2001 Celica GT-S Turbo1997 Supra TT 6speed1997 Celica 3MZ/1MZ swap1990 Celica All-Trac
like this


2001 Celica GT-S Turbo1997 Supra TT 6speed1997 Celica 3MZ/1MZ swap1990 Celica All-Trac
Thanx for the quick response.