GIAC Requires the TT sensor)4bar FPR or Adjustable FPR is betterOEM TT at 4 bar, Genesis 380c or 415cc (recommended)Hardware Kit (includes all nuts, bolts, gaskets and other things to install which can be purchased from Pro-Imports as a kit)Factory PCV Hoses with brass adapters (Pro-Imports offers PCV relocation pieces)Software - GIAC, Revo, and Unitronics have specific software for the k04-02x.