Cobb Stage 1 to NexGen Stage 2+ Flex Fuel Power Package — Black — 2008-2014 Subaru STI
The Cobb Stage 1 to NexGen Stage 2+ Flex Fuel Power Package for the 2008-2014 Subaru STI upgrades an existing Stage 1 Accessport installation to a complete NexGen Stage 2+ system with CAN Flex Fuel capability. For owners who already own the Accessport V3 from Stage 1, this package provides the NexGen SF Intake, NexGen FMIC in black, NexGen FMIC pipe kit, NexGen boost control solenoid, and CAN Flex Fuel Kit — everything needed to complete Stage 2+ without purchasing a second Accessport.
DETAILS
- Upgrade path: Stage 1 Accessport owner → NexGen Stage 2+ Flex Fuel
- Does not include Accessport V3 — for owners already running Accessport from Stage 1
- Includes: NexGen SF Intake + NexGen FMIC (Black) + Pipe Kit + Boost Solenoid + CAN FF Kit
- Platform: 2008-2014 Subaru WRX STI EJ257 MT
- NexGen FMIC in black: front mount for dramatically lower charge temps
- CAN Flex Fuel: dynamic ethanol calibration — E10 through E85
- Update Accessport to Stage 2+ CAN FF OTS maps after installation
- NOTE: Ships via UPS/FedEx — signature required at delivery
How Flex Fuel Works on Subaru
This upgrade package provides every NexGen Stage 2+ component except the Accessport itself. For 2008-2014 STI owners who installed the Accessport at Stage 1 and are ready to move to the complete NexGen Stage 2+ Flex Fuel configuration, this is the correct purchase. Install all components, then update the Accessport to the Stage 2+ CAN Flex Fuel OTS maps for the GR STI EJ257.
CAN System, OTS Maps, and Ethanol Blends
The NexGen Stage 2 system — FMIC, intake, boost solenoid — works the same way whether it is purchased as a complete package or as an upgrade from Stage 1. The Stage 2+ CAN Flex Fuel OTS maps for the GR STI account for the complete NexGen hardware configuration and the ethanol sensor input together.
What’s in the Box
- NexGen SF Intake
- NexGen FMIC — Black
- NexGen FMIC pipe kit
- NexGen boost solenoid
- CAN Flex Fuel sensor kit
- Fuel fittings
- Instructions
Why Choose Cobb Tuning
Cobb Tuning has been developing performance software and hardware for turbocharged enthusiast vehicles since 1999. Founded in Austin, Texas, Cobb built its reputation on the Accessport and expanded into a full catalog of hardware engineered to complement it. Every OTS map is developed in-house on real vehicles, and every hardware product is validated as part of a complete system — not sourced and sold in isolation. That integrated approach is why Cobb produces consistent, reliable results across the builds we see every day.
The RallySport Take
Stage 1 to NexGen Stage 2+ Flex Fuel is the upgrade path for GR STI owners who did Stage 1 first. The Accessport they already own handles the Stage 2+ calibration — the upgrade package provides everything else. Cost-effective progression from Stage 1 to the complete NexGen Stage 2+ Flex Fuel configuration.
Fitment
| Year | Make | Model | Notes |
|---|---|---|---|
| 2008-2014 | Subaru | WRX STI | EJ257 MT |
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