Home Ā» 3.4s Radical SR3 SL Startup Video and 70 High-Res Photos at Atlanta Motorsports Park Ā» Radical SR3 SL 12 Radical SR3 SL 12 Home Ā» 3.4s Radical SR3 SL Startup Video and 70 High-Res Photos at Atlanta Motorsports Park Ā» Radical SR3 SL 12