For sale Hypertech Street Runner Power Chips for 1991 GRAND AM - 221501 in UAE, DubaiListing #384588

Hypertech Street Runner Power Chips replace your stock PROM, which holds the settings for fuel flow and spark advance. This is a Stage 1 chip that improves the spark and fuel curves for better performance. It provides max power at wide-open throttle but does not affect the idle or part-throttle settings. This means your mileage and emissions aren't affected! The Street Runner Power Chip is designed for use on a stock vehicle using premium pump gas (91 Octane or better). Wake up your ride with a Hypertech Street Runner Power Chip! • Brand: Hypertech • Manufacturer's Part Nu