The 2020 Ford Mustang GT California Special (GT/CS) is an appearance-focused package available exclusively on the GT Premium trim. It combines retro-inspired styling cues with the standard performance of the 5.0L V8 Coyote engine. 

Exterior Styling Features
Unique Grille: Features a gloss black design with horizontal bars and an offset tri-bar Pony logo.
Wheels: 19-inch x 8.5-inch machined-face aluminum wheels with high-gloss Ebony Black-painted pockets.
Performance Splitter: Equipped with a race-inspired front splitter from the GT Performance Package.
Side Scoops & Stripes: Includes air-simulated side scoops and a unique "GT/CS" side stripe that fades from the fender to the door.
Rear Enhancements: Features a color-matched pedestal-style rear spoiler and a faux gas cap on the rear decklid with California Special script. 

Interior Appointments
Special Seating: Ebony leather-trimmed seats with Miko suede inserts and red contrast stitching.
Custom Trim: A "Carbon Hex" aluminum instrument panel applique featuring a unique California Special badge on the passenger side.
Floor Mats: Premium carpeted front floor mats with red stitching and the California Special script logo.
Door Panels: Miko suede door-trim inserts also featuring red contrast stitching. 
Modern Classic Motorcars
Modern Classic Motorcars

Mechanical & Technical Specifications
Engine: 5.0L Ti-VCT V8 engine producing 460 hp and 420 lb-ft of torque.
Strut Tower Brace: A silver-painted strut tower brace with a "California Special" badging for enhanced chassis rigidity.
Transmission: Choice of a 6-speed manual with active rev-matching or a 10-speed SelectShift automatic.
Standard Tech: Includes the SYNC 3 system with an 8-inch touchscreen, Apple CarPlay, and Android Auto, as it is built on the GT Premium trim