1987 supra turbo modifications
 

what are some modifications that i can make to my 1987 toyota supra to get more horsepower.
it already has
boost controller running it at 10.5 lbs of boost
hks downpipe
highflow cat
magnaflow catback
k&n cold air

use the search button. I think that is by far the most asked question on any supra forum, Aside from how to fix things. You shouldnt have any trouble finding info. There is even a nice list in a post by suppra_girl of what to do, Try to find it

take it to a dyno to make a baseline then go from there .

upgrade the turbo