2015-2021 Subaru STI — Tune / ECU

Fetched 4d ago · Refreshes in 56d

1. 1

   Cobb Tuning

   Dominant force in VA STI tuning with extensive map library, real-time datalogging via AccessPORT, and deep community trust across forums; their platform-specific support and OTA updates make them the industry standard for this generation.

   Sold direct through Cobb Tuning's website and authorized dealer network; also available through major performance retailers.

2. 2

   EcuTek

   Established alternative with strong reputation for custom tuning capabilities and live tuning support on VA STI; popular among owners seeking personalized maps beyond off-the-shelf options.

   Sold through authorized EcuTek dealers and custom tuners; not typically found in general retail channels.

3. 3

   IAG (International Automotive Group)

   Subaru-focused tuner with credibility in the VA STI community for both OTS maps and custom tuning; known for reliability and active development of platform-specific solutions.

   Sold direct through IAG Performance's website and select authorized dealers.

4. 4

   Romraider

   Open-source tuning platform with dedicated VA STI community support; favored by DIY enthusiasts and experienced tuners who want full control and transparency over their maps.

   Free open-source software; logs and support distributed through community forums.