EJ20 ENGINE THINGS TO KNOW BEFORE YOU BUY

  Which means that any of the twin-scroll STI turbos or exhausts will not work on the EJ20X/Y Until you swap every one of the parts out for the ones that did come over the STI.  This has proven to be a vital detail to note In case you are planning to utilize the turbo that arrives on this engine.More mature versions noticed similar freeway outcom