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So i have a 2018 civic ext the 1.5t auto and all i have done to it is a hks catback exhaust with a k&n cold air intake and catless front and down pipe and i have a hondata tuner and on hondata i upped the stock boost by 5 and im on 93 gas and i upped my rpms a little bit. I dont know exactly what im pushing but i think im done building it for now i dont really see myself adding anything else other then maybe a bigger radiator and intercooler but thats it.
But i was wondering with all those mods will i need some bigger injectors to see full potential out of it? And if i do need bigger injectors which ones would yall recommend

 
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I'm running a +8 tune (also 1.5T CVT, but the sport version instead of the non-sport version. Slight difference there with I think the knock sensor) with stock injectors on kpro with no issues. My fuel trims are happy, that's what matters. You'll only need bigger injectors if your LTFT is hanging out in like.. in excess of +10% constantly (meaning your car is constantly trying to add fuel to keep AFR in the 14.7 range) or your AFR is constantly >15. ****, my LTFT hangs out in the -3-7% range (i.e. ECU is constantly pulling fuel to keep AFR at 14.7). What are your fuel trims looking like?

I've personally been looking at an aftermarket FMIC, mostly because vegas summers get hot hot, and possibly some plumbing to get colder air to my intake. Maybe frontpipe/downpipe, too