The Legality of Car Modifications in the UK

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Whether you want to improve the performance of your car or jazz up its aesthetic look, you need to be aware of which car modifications are legal and illegal in the United Kingdom.

Here is a look at the legality concerning some of the key modifications that drivers consider making.

Lighting Modifications

Pimping a car, internally and externally, in the United States seems to get more extreme year upon year. In the TV show Pimp My Ride, modifications have included outlandish things like an interior chandelier, a chocolate fountain, and even a pool table! People also create game stations in the back of their cars, where they can play video games and online casino games.

While modifications like game stations for playing UK online casino games are not usually considerations for drivers in the United Kingdom, many people still like to make interior and exterior modifications in order to make their cars more personal and unique. But not all car modifications are legal in the UK. Due to the fact that vehicles need to be safe to drive on the road, several modifications are illegal; and if you do make illegal modifications, you could be charged with an offence and have to pay a large fine.

First off, let us look at under-car neon lights. Some types of neon lights are legal while others are not, so if you are intending to have them fitted, you need to know the difference between legal and illegal under-car neon lighting. The only legal types are white lights fitted to the front of your car and red lights at the sides. If you fit white lights under your car, ensure they are out of sight, so only the glow of the light can be seen.

You are not allowed to fit red lights to the front or back of your car, nor are you allowed to fit any type of green light on your vehicle. It is also illegal to use any flashing or spinning lights, LED lights on the interior, or any kind of interior strip or bulb that can be seen from the outside.

Window Tinting

Like neon lights, window tinting can be both legal and illegal. The legality basically comes down to how dark the tinting is. If the window tinting is too dark, it can be dangerous because the driver will not be able to see out of the rear window or side windows properly when driving.

Make sure your tinting meets legal standards if you are intending to modify your car windows. The police have special equipment that checks how much light passes through a tinted window. If too little light passes through, the tinting will be deemed illegal.

Catalytic Converter Modification

Replacing a catalytic converter can be incredibly expensive, which has led to some people asking mechanics to remove the part and create a block-free path from the engine to the exhaust instead.

Seeing as a catalytic converter is responsible for blocking harmful particles from leaving the car’s exhaust and going into the air, it is completely illegal to remove the part. So, do not do it.

Tweaking the ECU

If you want to improve the performance of your car, you may be considering tweaking the ECU, which is the computer installed in your car. The good news is, this modification is entirely legal. You can legally tweak the ECU so that it pushes more air and fuel into the engine to enable better acceleration.

However, only a professional should ever make modifications to the ECU, so do not consider doing it yourself unless you are qualified.

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