8. 4. Exhaust System By replacing your exhaust manifolds with “Headers” the weakest link is improved in your exhaust system.
9. 3. Turbochargers While turbo chargers are stock equipment on almost all diesel engines, most people are not aware that you can install an aftermarket turbo charger on your gasoline engine for a great increase in performance.
10. 2. Nitrous Oxide The principal is very simple. If you add Nitrous Oxide to your air and fuel the mixture becomes considerably more explosive and therefore greatly increases horsepower.
11. 1. Superchargers But far more impressive than the appearance of a supercharger is the performance of a supercharger. These big breathing beasts will add a huge amount of power to your engine instantly.