| http://www.w3.org/ns/prov#value | - Superchips Mileage XS is not a rebadged product nor a campaign based on vague claims or testimonials.Early field tests indicate that customers can expect up to 15% MPG gain depending on the vehicle and engine. (Actual customer gains vary depending on driving conditions including driving style, vehicle condition, and other environmental factors.) Current Superchips customers will be able to purcha
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