hi,s13 one is not worth bothering with and is
,far better to use either a big volvo 740 or 940 one which are worth fitting and work good,i have all the piping for the 940 intercooler but you would need to soarce the intercooler,if you want to fit a 740 intercooler there used to be a guide on here (in the how to section)on how to fit a volvo 740 intercooler and radiator if its not on here still pm me and i ll send you the how to througth the post as ive got it printed
