Sonic 1.8L Accelerating
Sonic 1.8L Auto Acceleration (not wide open).
Sonic RS stock exhaust vs ZZP catback
This is the ZZP with muffler. Also has DDM intake. No other mods
Wichita SCCA Autocross 7/27/14 - Chevy Sonic Run 6 (Best)
Run 6 58.400. Best run of the day Car is a 2013 Chevrolet Sonic RS. ZZP Catback, DDMWorks Intake, Trifecta Tune, Kuhmo Ecsta Le Sport tires