Fits: 2014, 2015 Mclaren P1

Our seat belt extenders / extensions are perfect for people who cannot otherwise buckle up with their seat belts existing factory length, including plus sized people, people with mobility issues or disabilities, firefighters, police officers, EMT workers, passengers in non emergency transportation vehicles and others. All of our extenders are E8 Certified, meet and/or exceed FMVSS regulations and are manufactured in a factory with a USDOT certification. This is extender is our classic model, which has woven fabric webbing just like the factory installed seat belts in your car and will extend your existing factory seat belt around 7".