Renowned Lamborghini tuner Underground Racing has just completed preliminary testing on what’s believed to be the first ever twin-turbo kit for the new Lamborghini Huracan LP 610-4. Along with ...

Renowned Lamborghini tuner Underground Racing has developed an insane performance upgrade for the already insane Lamborghini Aventador, adding twin turbochargers to the V12. This is the company ...

While the Revuelto has a combined output of over 1,000 hp, it's just not enough for some gearheads, which is why renowned tuning company Underground Racing has strapped on a pair of turbos to ...

Built originally for a Huracan, the V-10 is a Stage 3 unit from Underground Racing, built to handle abuse in tough conditions ...