Your car's engine needs a very specific diet of air and fuel to do its job, and it's the fuel pressure regulator's (FPR) job to feed it the right amount. The gadget is relatively tiny and can fit in ...

Romance is making 700 horsepower on the dyno. Reality is making all that power work for you in the car. The better the car accelerates, the more g-forces are applied to the vehicle, which you feel as ...