Classic car upgrades may also affect insurance policies (Image: Getty)
Research from Heritage Car Insurance found remapping the engine or an ECU upgrade could see premiums increase by over £90.
Meanwhile, engine replacements could see costs rise by £97 with fuel tank upgrades set to add £159 to the cost of an agreement.
Mr Brewer has issued one final warning to drivers who may be adamant to make changes to their vehicle this year.
He told Express.co.uk: “Top tip. Keep anything you take off the car, the old points, the old manifold, the old drum brakes. Just keep it in a box.