Aftermarket exhaust parts restrictions in the system—can similarly increase performance, though would likely be illegal in areas where tampering with emissions devices is prohibited, particularly when placed in front of the catalytic converters. Aftermarket exhaust parts Aftermarket exhaust parts are intended to replace the factory fitted exhaust components of a car, motorcycle, or other motor vehicle in order to improve the performance, visual appeal, or sound of the vehicle. Generally, performance enhancements are achieved by reducing the back pressure of the factory exhaust system. Frequently a side effect of a free-flowing exhaust system is either a "different" sound, a higher noise level, or
Vehicle-to-device Vehicle-to-device Vehicle-to-device (V2D) communication is a particular type of vehicular communication system that consists in the exchange of information between a vehicle and any electronic device that may be connected to the vehicle itself. The ever-increasing tendency of developing mobile applications for our everyday use has ultimately entered also the automotive sector. Vehicle connectivity with mobile apps have the great potential to offer a better driving experience, by providing information regarding the surrounding vehicles and infrastructure and making the interaction between the car and its driver much simpler. The fact that apps may significantly improve driving safety has attracted the