05 tsx just purchased

I just bought a 05 Acura TSX that has been modified and it has two ecus the stock ECU and a rsx Hondata ECU I was wondering if anyone could help me figure out how to tune it or what I may need to do in order to tune the car. The mods include Bottom end Stock crank, Eagle h-beam rods, Acl main and rod bearings, Nippon pistons 10:1 compression, Oem head gasket, Head completely stock Greddy log style turbo manifold, Garrett turbo not sure on the size, Rca750cc injectors, Hks blowoff valve, Walbro 450 fuel pump.