i have a 2009 civic si with the CT stage 2+ and ingen CAI and im using the hondata flashpro tune also im running a completly stock exhaust, what scares me is that i have the full invidia header and catback Q300 coming on monday and if my AFR's are this high now i assume it will only get worse with a full exhaust. so heres my question how do you know if you crushed the fuel pressure regulator properly the reason i ask is my AFR's are sometimes in the high 13's and my injectors are at 98% duty cycle so please any input would be apreciated.
also when i first start boosting im at about 14 then it slowly goes down to the high 12's by the time im at peak boost (around 10.5 psi)
