2020 Ford Mustang GT " 6-Speed Manual Kooks / Borla Build Dyno Tuned
Route 61 Classics proudly presents this 2020 Ford Mustang GT Fastback, a modern muscle car that's been tastefully tuned for raw performance and sound. Professionally modified and dyno-tested, this Mustang produces 410 rear-wheel horsepower and 390 lb-ft of torque, verified on McNew's Automotive Dyno (dyno sheet included).
Performance & Tuning
Powered by its 5.0L Ti-VCT Coyote V8, this Mustang remains naturally aspirated but far from stock.
Upgrades include Kooks 1 " Green long-tube headers with high-flow cats, a Borla muffler system, JLT cold air intake, and a custom SCT XCal4 tune from McNew's Automotive. The result is razor-sharp throttle response, instant acceleration, and an unmistakably race-inspired exhaust note that's extremely loud and attention-grabbing.
Despite its aggressive nature, drivability remains excellent thanks to proper tuning and calibration. The 6-speed manual transmission paired with a 3.55 limited-slip rear provides total driver engagement and precise control.
Exterior
Finished in Magnetic Metallic with the factory Black Accent Package and gloss black roof, this Mustang presents a striking, cohesive appearance. The paint retains deep gloss and clean reflections overall; however, the roof shows localized clearcoat blemishes and etching visible under direct light (see photos).
Factory 19" Ebony Black painted aluminum wheels and performance tires complete the aggressive stance.
Interior & Technology
Inside, the Ebony cloth bucket seats remain in excellent condition with minimal wear. The cockpit features:
6-speed manual transmission with short, positive throws
Dual-zone automatic climate control
8.4-inch touchscreen navigation with FordPass Connect 4G Wi-Fi
AM/FM/SiriusXM audio with Bluetooth & voice commands
Push-button start and factory gauge cluster
The interior is clean, well-kept, and shows no warning lights or mechanical issues.
Chassis & Undercarriage
The car's undercarriage is clean and solid, showing no rust or leaks. Factory independent rear suspension and 4-wheel disc brakes provide excellent handling and stopping power.
Upgraded exhaust routing and high-flow cats are visible underneath, evidence of the quality build and tuning work.
Condition & Transparency
Paint shows excellent gloss and depth; roof has clearcoat blemishes
Interior and mechanical systems operate correctly with no faults
Exhaust volume is significantly louder than stock " not intended for quiet neighborhoods
Includes Marti Report, Dyno Sheet, and SCT Tuner
Driving Experience
This Mustang GT delivers a true enthusiast's experience " raw, responsive, and race-ready. With its Kooks/Borla setup and McNew's tune, it's loud and alive at every RPM. The manual transmission and Coyote V8 make every shift engaging, turning every drive into a performance event.
Located in Orwigsburg, Pennsylvania, Route 61 Classics serves enthusiasts across Allentown, Reading, and Harrisburg. Contact us today to schedule a viewing or make this high-output 2020 Mustang GT yours.
