The 800-HP-Plus UpgradeWhen Ford specialist RTR Vehicles released the Spec 5 package for the Mustang last year, it was a bit of a shame that such a compelling package was limited to just 50 examples for the 2026 model year. After all, it delivered more power than the Mustang GTD at roughly half the price. But for those looking to boost their Mustangs with RTR, there’s another option in the Spec 3 package.The RTR Spec 3’s headline upgrade is a 3.0-liter Ford Performance Whipple supercharger that raises output to 810 horsepower and 615 lb-ft of torque – roughly 330 horsepower more than a standard Mustang GT. While it doesn’t eclipse the Mustang GTD the way …
Go to Source
Author: Rex Sanchez
