10 pounds is 10 pounds. You do that 10 times and it's 100 pounds. That's why guys cars are HEAVY. They have the totally WRONG attitude. They think, "that's only 10 pounds, doesn't matter"........WRONG way to think. If you want the car light, you need the opposite attitude. Remove every OUNCE you can. First thing, is ask yourself "does the car absolutely NEED this part".......if it does NEED that part, how do you make that part weigh less.