High Performance Upgrade T04E T3 T25 18pc Turbo Kit - Honda B-Series Engine 27"x5.5"x2.5" Intercooler with 22"x5.5"x2.5" Core 2.5" Aluminum intercooler piping Blow off valve with 8-PSI spring installed 1-30 PSI adjustable boost controller Fuel pressure regulator adjustable from 1-15 psi