hi i am looking at getting an aftermarket ecu fitted into my v4 wrx type r v-limited wrc. it has had a 2.5 fully forged engine with v4 sti heads, vf22 turbo, arc big tmic, yellow injectors i am after some advice on what ecu to get someone said to have the esl one that a few people do. i don't really want to go into thousands of pounds was just looking at spending £500-£700. any help will be much appreciated