Cobb Stage 1 to NexGen Stage 2 Flex Fuel Power Package Subaru STI 19-21 – Blue SF Hose | SUB004NG2S2FF-S1-UP-BL Cobb Tuning

Fitment Information:

2019-2021 Subaru STI

2018 Subaru STI Type RA

Features:

The COBB Stage 1 to NexGen Stage 2 + Flex Fuel Power Package is a great bang for your buck kit! 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.

Select this package if you already own a COBB Stage 1 Power Package, and would like to upgrade to the NexGen Stage 2 + Flex Fuel Power Package.

Please note: Tuning is required.

Package Includes:

• SF Intake System – Blue hose
• Airbox
• Silicone Turbo Inlet V2
• Throttle Body Coupler
• Spark Plugs
• Top Feed 1050x Fuel Injectors
• AEM 340LPH High Flow Fuel Pump E85 Compatible
• Fuel Pressure Regulator for Fuel Rail Kit
• Fuel Rail Line Kit
• Fuel Rails
• NexGen Flex Fuel Ethanol Sensor Kit
• Fuel Pressure Sensor Kit (5 Pin)
• COBB Vehicle Badge

Intake:

• Composite Intake Body for Heat Rejection
• Integrated Velocity Stack
• Integrated Airflow Straighteners
• 4-ply Steel Reinforced Silicone Post-MAF – COBB Blue
• Induction and Engine Sounds More Audible

Air Box:

• 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

NexGen Flex Fuel Ethanol Sensor Kit:

• NexGen Flex Fuel Module
• Plug and Play Wiring Harness
• Ethanol Content Sensor with Bracket

Injectors:

• Work 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:

• 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
• Installation Guide

Fuel Pressure Regulator:

• OEM Subaru Fuel Pressure Regulator
• Plug-and-Play with COBB Fuel Rails and Lines
• Ethanol Compatible
• Sheathing for Abrasion Resistance
• Installation Guide
• Tuning Required

Fuel Rails:

• 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
• Installation Guide

Turbo Inlet:

• 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
• Installation Guide

Throttle Body Coupler:

• 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
• Installation Guide

Fuel Pressure Sensor Kit (5 Pin):

• OEM Quality Connectors
• Billet Aluminum Sensor Adapter
• 0-100 PSI Sensor
• 1/8″ NPT
• Required for COBB NexGen Flex Fuel OTS Maps

Spark Plugs:

• Laser Welded Iridium Tipped Center Electrode
• Trivalent Metal Plating
• .024 (.6mm) Gap
• Heat Range : 7
• Includes a Set of 4

AEM High Flow Fuel Pump:

• 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