Fitment: 2015 - 2018 Subaru STI. This NexGen Power Package is a cost - effective choice. Remember to pick your intake color! It offers a great alternative for vehicles affected by downpipe removal, delivering similar performance while meeting legal emissions. The Accessport has a large, full - color, high - res screen, customizable multi - gauge display, and is easy to install with an in - vehicle mount. The intake features a composite body for heat rejection, an integrated velocity stack, and makes engine sounds more audible. The air box uses the factory snorkel to feed cold air, with OEM quality. Injectors work with the stock fuel rail and have a nominal flow rate of 1065cc/min. Fuel rail lines are stainless braided PTFE with high - pressure capacity. The fuel pressure regulator is ethanol - compatible and plug - and - play. The fuel rail is CNC machined from billet aluminum. The inlet boosts airflow to the turbo, increasing horsepower and improving throttle response. The throttle body coupler is a drop - in replacement. Dyno tests show a significant power increase from 281 HP and 285 ft/lbs to 305 HP and 336 ft/lbs of torque, with gains across the powerband, all without exhaust modifications. The package includes Accessport V3, intake system (Stealth Black or BLUE), silicone turbo inlet V2, and more.
Using this Cobb Tuning NexGen Stage 2 Power Package for your 2015 - 2018 Subaru STI is a great way to boost performance. First, when installing, refer to the installation guides that come with each part. Some parts like the throttle body coupler are easy to install, while others like the fuel rail lines are a bit more difficult. Make sure to follow the instructions carefully. When it comes to tuning, some components like the intake, fuel pressure regulator, and inlet require tuning. Use the data provided for tuning the injectors with the Accesstuner Software. As for maintenance, keep an eye on the fuel system components. Check the fuel rail lines regularly for any signs of wear or leaks. The air box should be inspected for any blockages or water ingestion. If you notice any issues, consult a professional mechanic. Also, make sure to use compatible fuels, especially since the fuel pressure regulator is ethanol - compatible. With proper use and maintenance, this power package will keep your Subaru STI running at its best.
