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Coyote GTs, the flat-plane GT350 and the Predator GT500: S550 and S650 Mustang owners.
S550 / S650 Mustangs is where the modern car gets sorted. Gen 2 and Gen 3 Coyote service and oil choice, the Voodoo flat-plane crank in the GT350 and what it asks for, Predator supercharger and cooling on the GT500, MagneRide tuning, independent rear suspension bushings and subframe movement, and the brake and tyre packages that survive a full track session instead of one lap.
For verified owners of any S550 or S650 Mustang, Shelby cars included.
What happens here: model-specific tech threads (known issues, service intervals, part numbers, recalls), owner-run meets and drives, suspension and tuning sessions with shops that actually work on this platform, group buys on model-specific parts, a used-car inspection checklist maintained by members, and dedicated run groups at Octane track days.
No members yet. Applications are open.
Free on every membership. You apply with the car in your garage and a reviewer decides, usually within 48 hours.
Checked by hand. Documents are only seen by the reviewers, through links that expire in 15 minutes.
No approved members yet. The first application could be yours.