May 11, 2020
@johnsontuning bumping up the numbers on this Roush Mustang with a custom tune. #repost @johnsontuning ・・・ Another 100% stock Roush Stage 3 Mustang picking up nearly 60 whp and 60 tq with a custom dyno tune 💪 Before: 520 whp 460 tq After: 577 whp 517 tq Tuned on 93 octane w/ @hptuners Looking to get the most out of your performance vehicle? Contact us today: [email protected] #JohnsonTuning #roush #roushrs3 #roushstage3 #supercharged #boosted #boostedmustangs #mustangfanclub #mustang_freakzz #supreme_stangs #fathouseperformance https://www.instagram.com/p/CACDc91lheb/?igshid=h4ot2etfxsly