Myth: "Motorsports" & "Off Road Use Only" Parts Are Better & Provide More Performance?!
When parts get labelled as Motorsports Or Off Road Use Only it usually just means the manufacturer has not bothered to get them properly tested and approved for use on the roads.
Motorsports Or Off Road Use Only parts may also require stripping down and rebuilding as you would expect in a seasons racing, but for road cars you don't want this hassle.
So it is generally better to avoid any parts labelled as Motorsports Or Off Road Use Only and in many cases these are illegal to use on the roads due to safety or emissions legislation so add quite a bit of risk of a citation or fine if you are caught using them.
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Legal Notice: Unless we have inspected your car we can only provide generic theory. All information is provided without warranty, please check any recommendations made with a mechanic locally to verify it would be legal in your area or region and that it would be suitable for your car and your needs.