What is a turbo, and how does it work?:
https://www.i-club.com/forums/engine-power-ej20t-pre-2006-wrx-jdm-60/anyone-point-me-good-turbo-explanation-28349/

Help! My boost lines are wrong!:
https://www.i-club.com/forums/engine-power-ej20t-pre-2006-wrx-jdm-60/proper-connections-boost-control-hoses-56155/

Why shouldn't I get a Cold Air Intake?:
https://www.i-club.com/forums/engine-power-ej20t-pre-2006-wrx-jdm-60/cold-air-intake-debate-36823/

Complete Subaru OBD-II error code list:
https://www.i-club.com/forums/engine-power-ej20t-pre-2006-wrx-jdm-60/complete-list-all-subaru-obd2-error-codes-44311/

Gas smell in cold weather TSB:
https://www.i-club.com/forums/engine-power-ej20t-pre-2006-wrx-jdm-60/tsb-fuel-smell-cold-weather-2002-wrx-43929/

Helpful diagrams:
https://www.i-club.com/forums/engine-power-ej20t-pre-2006-wrx-jdm-60/some-helpful-diagrams-65142/

ECU resetting trick:
https://www.i-club.com/forums/engine-management-66/re-mapped-ecu-learning-trick-10-20hp-5-seconds-6413/

Backpressure information:
https://www.i-club.com/forums/engine-power-non-turbo-all-non-turbo-imprezas-61/backpressure-stuff-69670/

Fuel injector sizing calculators and information:
https://www.i-club.com/forums/engine-management-66/injector-selection-information-handy-calculator-46018/

Fuel injector FAQ and terminology:
https://www.i-club.com/forums/engine-power-ej25t-sti-2006-wrx-90/if-you-were-curious-fuel-injector-terminology-71747/

Open Deck vs. Closed Deck bloacks:
https://www.i-club.com/forums/engine-power-ej25t-sti-2006-wrx-90/open-vs-closed-deck-69788/

Catless uppipe CEL fix:
https://www.i-club.com/forums/engine-power-ej20t-pre-2006-wrx-jdm-60/resistor-mod-cel-fix-code-p0546-93401/

 

If you think there's another thread (even in another forum- cross-linking is probably a good idea in some cases) that deserves to be here, PM me with the link and I'll get back to you with why I do or don't include it. Thanks for your help people.

 

Bump. Lots of new members asking questions coverd by these threads.