Take your 2011-2014 Ford Mustang GT 5.0L equipped with an Edelbrock 1588 or 15880 Supercharger to the next level with the Edelbrock Stage II Upgrade Kit #15882. Designed for racing applications only, this kit boosts performance by providing a smaller 3.25" supercharger pulley, a high-flow competition air intake system, and a Gatorback belt for increased boost levels and improved throttle response.

This upgrade also includes an updated calibration file, which must be modified by the customer to fit their specific race engine configuration. Since this kit is not legal for street use, a race-only waiver must be signed and submitted to Edelbrock before receiving the calibration file.

Features & Benefits:

✅ 3.25" Supercharger Pulley – Increases boost for maximum power gains
✅ High-Flow Competition Air Intake System – Optimizes airflow for peak performance
✅ Gatorback Belt – Ensures improved durability and belt grip under high boost levels
✅ Updated Calibration File – Requires modification for custom race builds
✅ Direct Upgrade for Edelbrock 1588/15880 Supercharger Systems
✅ Designed for Racing Applications Only – Not street-legal

Vehicle Fitment:

Product Notes:

• Race-Only Use – Not legal for use on pollution-controlled vehicles
• Requires submission of a signed waiver to Edelbrock to receive the race calibration file
• Calibration file must be customized by the customer for specific engine configurations
• Designed for vehicles equipped with Edelbrock 1588/15880 Supercharger Kits

⚠️ California Proposition 65 Warning – Cancer & Reproductive Harm: www.P65Warnings.ca.gov

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