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My 2.7 tib is supercharged, has headers (and muffler/cat delete with a glass pack), nkg plugs, wires, and coil pack, will be getting higher cc fuel injectors (I heard gtr injectors are plug and play?) And cold air intake. Should I get a tune on it? Or can my ecu handle it all?
 

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What size supercharger pulley are you running now? That will determine if you need larger injectors and some way to control them. For a 3.4" pulley I recommend at least a 190lph fuel pump upgrade just to be safe. Any smaller pulley than that and you will need larger injectors and a tuning device. Nobody "tunes" the stock ECU anymore so you'r out of luck with that approach.
 
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