▲ 1 r/wrx_vb
Catback install - tune vs no tune on already tuned car
I have an ETS intake and a tune by dmann. I'm about to put a Borla stype catback on this weekend and was wondering how much HP gains are possible with an other tune? I know it's not much either way, just curious. Thanks!
u/Gradstudentiquette69 — 7 days ago