Through hard work superior work ethic and an entrerpneur spirit, Transonic Customs has become family built Off-Road Store, modification, and repair Facilty. Located in the heart of Ontario CA at the 10 and 15 interchange Transonic Customs operates out of and 8,000 SQ FT state of the art off-road and vehicle customization facility. Transonic Customs is service shop servicing Jeeps, SUV's, Trucks, Buggies, and Side by Sides.