Weight Reduction:
* Go on a Diet.
* Don't have a fat girlfriend
* Get rid of the rear seats so it's lighter and no one can ask for rides
High-Performance.
1. Use 91 gas
2. Check tire pressure each week
3. Check fluid levels
4. Oil changes
5. Buy your car an air freshner
6. Wash her ! (smoother car = aerodynamics)
7. Warm up the car before you abuse her
8. Use sun shade so you have a non crack dash / park in shade
9. When parking on hill, turn wheel and tire accordingly to the curb
10. Park away from people when you go to supermarkets, schools, work, far from the entrance.
These 10 mods can keep your car very nice and perform as well as last a long time. There is no secret to making your car fast and last longer. There is no need to add stuff to make your car look faster or prettier, just by a fast car or a pretty car.
After years of being a car tuner and enthusiast you will understand that a car is a bad investment and you're just throwing your money in the trash. Cars depreciate by rule, the more crap you put on it, the less people will want to buy it.
OEM is best. JDM is Better. That's my rule.
If it aint OEM or JDM or at least Polyeurythane, I don't mess with. =)