Not sure how your tuner has it set up, maybe its the switch from DI/PORT or hybrid? Port injectors can be loud if aftermarket
Longshot, no clue what the injector strategy is on our system
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2013 FRS
Vortech V3 11psi
Revworks UEL - PLM Overpipe - MOTIV catted frontpipe - Invidia Q300
2019 Series.Grey STI - Stage1+ SF
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