Fitment Information:
2015-2018 Subaru STI
This Kit is a great bang for your buck package. Don’t forget to select your intake color! NexGen Power Packages re-establish the modification and upgrade paths for supported vehicles that have been impacted by the removal of Downpipes. These packages provide similar performance and excitement, while maintaining legal emissions standards.
Accessport Features:
- Larger, full color, higher resolution screen
- Customizable multi-gauge display
- In vehicle mount, with on/off switch
- Faster and easier to use with a familiar face
- Interchangeable faceplates
- Easy Installation
- Installation Guide
Intake Features:
- Composite Intake Body for Heat Rejection
- Integrated Velocity Stack
- Integrated Airflow Straighteners
- 4-ply Steel Reinforced Silicone Post-MAF Black
- Induction and Engine Sounds More Audible
- Installation Guide
- Easy to Install
- Tuning is Required
Air Box Features:
- 16 Gauge Aluminum Construction
- Uses Factory Snorkel to Feed Cold Air to Airbox
- Benefits of CAI without Water Ingestion Issues
- OEM Quality Fit and Finish
- Easy Installation
- Installation Guide
Injector Features:
- Works with Stock Fuel Rail
- Nominal Flow Rate – 1065cc/min @ 43.5psi
- Matched sets with dynamic flow rate variance within 1%
- 14mm Bottom O-Ring
- Data supplied for tuning injectors with Accesstuner Software
- Intermediate Installation Effort
Fuel Rail Lines Features:
- Stainless Braided PTFE Line
- Up to 2500psi Operating Pressure
- Double Swivel -6 AN Hose Ends
- SAE 30R9 Certified Hose
- Plug-and-Play with COBB Fuel Rail Kit
- Difficult Installation Instructions
- Installation Guide
Fuel Pressure Regulator Features:
- OEM Subaru Fuel Pressure Regulator
- Plug-and-Play with COBB Fuel Rails and Lines
- Ethanol Compatible
- Sheathing for Abrasion Resistance
- Easy Installation
- Installation Guide
- Tuning Required
Fuel Rail Features:
- CNC Machined from 6061 Billet Aluminum
- Black Anodized Finish with Laser Etched COBB Logo
- -8 AN to -6 AN Fittings Pre-Installed
- Compatible with Injector Dynamics Fuel Injectors
- Allow Parallel Fuel Delivery
- Difficult Installation Effort
- Installation Guide
Inlet Features:
- 6-Ply Silicone in Stealth Black
- Larger Diameter Allows for Increased Potential Air Flow Delivery to the Turbo
- Increase Horsepower, Decrease Turbo Spool Time, Improve Throttle Response and Acceleration
- Direct OEM Replacement
- For Turbochargers with 2.4″ Inlet
- Tuning Required
- Difficult Installation Effort
- Installation Guide
Throttle Body Coupler Features:
- 4-Ply Silicone in Stealth Black
- Pad Printed COBB Logo
- Lined Worm Drive Clamps
- Drop-in Replacement
- Works with Stock or Aftermarket Top Mount Intercoolers
- Easy Installation
- Installation Guide
The 2015-2018 Subaru STi Dynoed in at 281 HP and 285 ft/lbs of torque. With this package the same car dynoed 305HP and 336 ft/lbs of torque. Those are just peak numbers, while the entire powerband maintains a 40-50 ft/lb of torque gain and 30HP overall. The best part here is this is all done with ZERO exhaust modifications!
The NexGen Stage 2 Power Package for STI Includes:
- Accessport V3 – AP3-SUB-004
- Intake System Stealth Black or BLUE
- Silicone Turbo Inlet V2
- Throttle Body Coupler
- Top Feed 1050x Fuel injectors
- Aem 340LPH high flow pump. E85 Compatible – 50-1215
- Fuel Pressure Regulator
- Fuel Rail line kit
- Fuel Rails
- Spark Plugs
- COBB Vehicle Badge