Let Miller’s Modification Station optimize your drive style with our Dynojet 224xlc dynamometer as well as a Certified Pro Tuner. We offer specialized tuning services with HP Tuners & Holley EFI. Dyno Tuning finds the mechanical limits of a vehicle & enhances its performance. Also, it helps customers who are seeking better fuel economy, towing capabilities, and personalized driving experience. We serve the Tygart Valley area including Randolph, Lewis, Upshur, Barbour, and Tucker counties in WV.