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  1. My 2025 Spec-R (810 HP)

    No. Roush’s website says they dyno’d 675WHP It’s their standard 810HP kit they sell.
  2. My 2025 Spec-R (810 HP)

    810HP Roush supercharger, pedders coilovers and sway bars, Velgen wheels, Cervinis hood, Corsa Extreme exhaust, custom interior, front and side splitters and diffuser.
  3. Introductions & Welcome Thread đź‘‹

    New to Mustangs. Just picked up this brand new Spec-R from Spec Design Company. 810HP Roush supercharger among many other things.





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