Originally Posted by Karlos G

The first few things are what you need to make 290-300bhp mate, then the rest will need changing to handle the extra power..... a RST with 300bhp will destroy a standard gearbox, the brakes will struggle to stop it, the engine and gearbox mounts will tear in half and the car will flex all over the place with standard rubber bushes. Oh and you would need forged pistons and rods too.