hopefully the biggest change will be getting out of the house more as restrictions are relaxed. but when it comes to air filters — i'm a big fan. that was chris fox helping us all to breathe easy. but next, we have something which mayjust take your breath away. motor racing is huge, but it's notjust the professionals that you may see on the telly. in the uk, over 30,000 people have what's known as a competition licence, and lots of others just head to the tracks for fun. all of them are trying to go faster, drive better and crash less. and now there's a new piece of tech out there, which might just give them the edge, and dan simmons has been taking it for a spin. this is thruxton race circuit. it's the fastest track in the uk where ordinary road cars can take