Includes workshop specialized in tuning and modifying the exterior or the interior of the passenger automobiles in order to personalize the characteristics of a vehicle to the owner's preference, as well as to provide better fuel economy, produce more power, better handling, the exterior includes changing characteristics of the vehicle via side skirts, front and rear bumpers, spoilers, interior involves the audio systems, air conditioning and soundproofing, modifying and customizing commercial vehicles to convert into trucks for other purposes such as food carts, ambulances, concrete-mixers…etc.