(720) 620-9062  ·  11450 Huron St. #P, Northglenn, CO 80234  ·  Mon–Fri 9am–6pmNeed a tow? Call us   Request service →
Shelby GT500 Mustang at Colorado Performance & Repair
Performance packages · Mustang

Shelby GT500 packages

5.2L Predator supercharged · Stock 760 hp · 3 packages · Up to 1,000+ HP. Every package is installed, calibrated and proven on our dyno in Northglenn.

Included on every packageCustom engine calibrationBefore + after dyno pullsProfessional installationFluids + gasketsWarranty on parts + installation

HP figures are package targets. "+" figures are gains over stock. Every car leaves with its own before-and-after dyno sheet; results vary with fuel, elevation and condition.

SuperchargedFuel: 91 / E85

Stage 1

Smaller pulley, bigger injectors, intake and tune. The best bang-for-buck GT500 upgrade.

Best forDaily driver
850HP target

What is included

  • Cold air intake
  • 2.7 in. clutched supercharger pulley
  • Supercharger belt
  • 170 degree thermostat
  • Injector Dynamics ID1050x injectors
Price on requestQuote this package
SuperchargedFuel: 91 / E85

Stage 2

Ported factory supercharger, bigger throttle body and upgraded intercooling.

Best forStreet + strip
950HP target

What is included

  • Ported factory supercharger
  • 2.7 in. clutched pulley
  • ID1050x injectors
  • 105mm throttle body
  • Cold air intake
  • Upgraded heat exchanger
  • Whipple intercooler
  • 170 degree thermostat
Price on requestQuote this package
SuperchargedFuel: 91 / E85

Stage 3

Stage 2 plus long-tube headers and a billet supercharger lid.

Best forStrip
1,000+HP target

What is included

  • Everything in Stage 2
  • Stainless long-tube headers with high-flow cats
  • Billet supercharger lid
Price on requestQuote this package

More Mustang packages

Watch

Our packages, explained.

Watch us walk through how our performance packages work, then pick the stage that fits how you drive. Questions? Ask for a quote below.

Request a quote

Pick a package. We will send price + timeline.

Not sure which one fits? Tell us how you drive and what you want the car to do, and we will recommend one. Already modified? List your mods so we only quote what you need.

Call (720) 620-9062