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PERFORMANCE & DYNO TUNING.

Custom performance builds, professional installation, and advanced ECU calibration in Northeast Florida.

Located in Saint Augustine FL.
Open Mon-Fri 10:30pm-5:00pm

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Reach Out!

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KMJ Motorsports is committed to providing high-quality performance parts and equipment. However, it's important to acknowledge that certain modifications may impact your vehicle's compliance with emissions regulations. While we strive to ensure our products meet legal standards, it's ultimately the responsibility of the vehicle owner to ensure compliance with local emissions laws and regulations. We strongly advise consulting with local authorities or regulatory bodies regarding the legality of modifications in your area. By using our products, you acknowledge and accept any potential implications on emissions compliance. Miley Industries LLC disclaims any liability for consequences arising from non-compliance with emissions laws. Thank you for your understanding and cooperation in upholding legal standards.

© 2021 MILEY INDUSTRIES LLC

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