The Stage 3 Power Package for STI Includes: COBB Accessport, SF Intake System, SF Airbox, SS 3″ Downpipe, Titanium Cat-Back Exhaust, SS Turbo Heatshield, AEM High Flow Fuel Pump, Top Feed 1050x Fuel Injectors, Fuel Rails, Fuel Rail Line Kit, Fuel Pressure Regulator for Fuel Rail Kit, Subaru Throttle Body Coupler, Silicone Turbo Inlet and the COBB Vehicle Badge.
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
Catback Features:
- Grade 4 Titanium Construction with Back-Purged Welds
- Lightweight – 24lbs Assembled
- Blued Titanium Tips with COBB Logo
- 3-inch Piping Diameter
- High Adjustability via Slip-Fit Connections
- Bespoke Straight-Through Oval Muffler
- 50% lighter than stainless steel
- Intermediate Installation Effort
- Installation Guide
Downpipe Features:
- Increases Exhaust Flow, Horsepower, & Torque
- 3-inch Mandrel Bent Piping
- CAD Designed Cast Turbo Outlet for Maximum Flow
- 304 Stainless Steel for Corrosion Resistance
- High Flow GESi Catalytic Converter
- Two O2 Bungs for Factory & Aftermarket Sensors
- Included Adapter Utilizes Stock Donut Gasket for Optimal Sealing & Long Life
- Tuning Required
- Intermediate Installation Effort
- Installation Guide
Intake Features:
- Composite Intake Body for Heat Rejection
- Integrated Velocity Stack
- Integrated Airflow Straighteners
- 4-ply Steel Reinforced Silicone Post-MAF Blue
- Induction and Engine Sounds More Audible
- Installation Guide
- Easy to Install
- Tuning is Required
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
Airbox Features:
- 16 Gauge Aluminum Construction
- OEM Quality Fit and Finish
- Utilizes Factory Snorkel to Feed Cold Air
- Stainless Steel Hardware
- Wrinkle Black Finish
- Easy Installation Efforts
- Installation Guide
Turbo Heatshield Features:
- 304 Stainless Steel
- Laser Cut & Etched with Extended Length Edge Flanges
- Compatible with Stock or Aftermarket Downpipes
- Compatible with Stock or Stock Location Turbochargers
- Reduce Engine Bay Heat Soak
- Easy Installation
- 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
Fuel 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 Line Kit 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 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
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 Pump Features:
- Tested 340lph @ 40psi
- Compact Size (65mm length x 39mm diameter)
- Tested and compatible with ethanol fuels up to E100, methanol fuels up to M100 and all types of gasoline