2021 BMW M3 vs 2020 Kia Stinger GT BMW M3 Mods: JB4 piggyback tune on 93 octane on Map 2 Manual transmission Kia Stinger GT Mods: Full Turboback Exhaust Intakes Intercooler JB4 piggyback tune on 93 octane on Map 3 1st race was from 40 MPH 2nd race was from 60 MPH IF YOU LIKED THE VIDEO, PLEASE GIVE IT A THUMBS UP, SHARE, AND SUBSCRIBE FOR MORE 😇