If you're a car enthusiast and you have about Rs 1.5 lakh to spare, there's two ways you could spend it. You could modify your car, or you could try your hand at a motoring hobby. And here too, there are two great options - you could get yourself a racing Go Kart, or you could try your hand at piloting a Nitro-powered RC Car. But which is more fun? And which is quicker around a small track? We find out.