Revealed: the modifications which could affect what you pay for insurance

Vehicle modification isn't exactly a hot new trend – we've been adding kit onto our cars for decades now, with some interesting results. But alterations, new parts and even bumper stickers are all changes that could affect how much you pay for your car insurance.

Data held by insurance companies mean that even innocent modifications such as upgrading your car's infotainment system could mean an increase in premiums.