65 vehicles · 10 ship nationwide
GMC tuning
10 GMC vehicles can be sent a finished calibration on a DEFI RTD4. The rest are tuned on our dyno in Corona.
Ships or in-shop
Platforms we can send you a tune for
In-shop
Platforms that have to come to Corona
These are supported, but not over the Tune Delivery Network. That is a limitation of how the vehicle's ECM is accessed, not of the calibration.
Canyon
In-shop2004–2024 · 8 variants
Booking required
Suburban
In-shop1999 · 1 variant
Booking required
Acadia
In-shop2007–2016 · 3 variants
Booking required
Envoy
In-shop2002–2010 · 4 variants
Booking required
Jimmy
In-shop1998–2001 · 2 variants
Booking required
Safari
In-shop1998–2005 · 2 variants
Booking required
Savana
In-shop1998–2023 · 11 variants
Booking required
Sonoma
In-shop1997–2004 · 3 variants
Booking required
Terrain
In-shop2011–2019 · 4 variants
Booking required
Topkick
In-shop2001–2009 · 2 variants
Booking required