2009 GTRIt has the following upgrades. and was recently serviced:ECUtek with custom tune for 91 octane and E85 (600hp and 630hp approximately)VWR 3. 5" downpipes (largest on market). with VWR 4" exhaust. 5" tips1000cc InjectorsDual Walbro fuel pumpsGotboost 3" intakes with Green air filters (better than K+N)GTC turbo inlet pipesDodson Low Temp oil thermostatDodson Low Temp coolant thermostatEibach sport springsWhiteline front camber bushingsNew rear PS2 tires. and brake pads were recently replaced as well with Hawk Performance. DVD bypass (videos while moving for passenger). Front and Rear backup camera. If you do a little research. youll see this has one of the better inlets/intakes/exhaust as far as flow is concerned. and a optimum bolt on setup. These parts were just installed around 8k miles ago. It is a solid car. with the transmission replaced under warranty due to a sensor going bad. and the bellhousing replaced as well. All 2014 parts. latest revision. Never launched once. which can be confirmed by any dealer as it records all launches. Any questions please ask.