2021 BMW M3 JB4 93 vs 2007 Shelby GT500 Bolt Ons 93

2021 BMW M3 vs 2007 Ford Mustang Shelby GT500 BMW M3 Mods: JB4 piggyback tune on Map 2 using 93 octane Shelby GT500 Mods: Upper pulley Intake Axel back exhaust 93 tune 1st race was from 60 MPH 2nd race was from 50 MPH IF YOU LIKED THE VIDEO, PLEASE GIVE IT A THUMBS UP, SHARE, AND SUBSCRIBE FOR MORE 😇