Freek Tune

Freek Tune + Grocery Getter Performance

GGP’s go-to tuner for Mazdaspeeds and GR Corollas.

Justin Brasil at Freektune brings a deep Mazdaspeed background to the cars we love. He’s our go-to tuner for Mazdaspeeds and GR Corollas.

From the Mazdaspeed archives

2015: COBB credited Justin’s tuning on Shawn Jaworsky’s 10.963-second, 136.79-mph Mazdaspeed3 pass—the first 10-second pass reported by COBB. Source
Freektune’s own milestone list includes Justin’s 9.94-second, 149.5-mph run in a 2008 Mazdaspeed3 and 10.93-second, 137.39-mph run in a 2010 Gen2. Source
CorkSport also credited Justin’s MoTeC calibration work on Barett’s half-mile Mazdaspeed3 project in 2021. Source

Historical highlights from the linked sources.

Planning a Mazdaspeed or GR Corolla build? Tell GGP about your car, current parts and goals, and we’ll help you plan the next step.

Availability and service arrangements are confirmed with GGP. This profile is an inquiry destination, with no tuning package listed for checkout.