Cobb Nexgen Stage 2 package PLUS Flex fuel kit and FLEX FUEL PROTUNE MAP for 2019-to 2021 STI.

Package includes:

DT Flex fuel kit

Cobb AccessPort V3

Cobb Big SF intake system with optional air box

AEM 340 Fuel pump kit

Cobb/Injector Dynamics 1050X fuel injector kit

Cobb FPR Kit

Cobb Fuel rail kit

Cobb Fuel line kit

Cobb throttle body coupler kit

Spark Plugs

Cobb Silicone turbo inlet pipe

Cobb 3 port Boost control Solenoid (EBCS)

Cobb Vehicle Badge

CTT Flex fuel protune map

We recently dyno tested this kit on a 2020 STI using 91 octane fuel.

Stock power 238 WHP

Stage 2 power with Cobb map 277whp

Stage 2 power with CTT protune map on 91 310WHP

Stage 2 power with CTT protune map on E85 355WHP and 365 trq

93 octane protune makes an additional 15 to 20 WHP.

This kit has CARB EO numbers for all parts and does NOT remove any emissions controls. It retains the stock down pipe with cats.