horsepower

  1. V

    What should I do to my mk3 for more horsepower?

    Hey guys, I'm don't know much about Supras yet but I just purchased an 87 mk3 with some engine work already done. It has some built internals like .40 over pistons and arp head studs. It also has an HKS PFC F-CON, HKS BOV, and full exhaust. I dont want to get a bigger turbo (yet at least) but Im...