This Web site is not just dedicated to building pimped out cars and custom cars,  but to building and tuning fast modified street cars and even faster  modified race cars.     Custom-car.us will provide you with all the information and articles  about modified cars, car customization and car modifications that you  will need to build really fast modified cars for street use or for track      racing. Our aim is to help you modify your car and its engine to  improve engine performance and handling by providing  you with all the information, tips and advice you would need to select  the     correct high performance auto parts for your car, to install them  correctly, and to tune them. It doesn't matter whether your car  modification project entails building really cool custom cars, fast  modified race     cars, cool modified street cars, or even pimped out cars we will  provide you with the information you would need.
   Information about engine tuning and car modification can become  quite technical, but we attempt to bring you this information in plain  English. We make the information as easy to understand as possible so  that even     the novice can learn about car tuning and car  modifications, as well as how to increase engine power. We also guide  you through engine tuning, performance tuning and car modifications for  all     makes of cars, including BMW, Honda, Ford, Nissan, and much more,  with detailed, step by step tuning and modifying tips. And if you do get  stuck with a technical term, there's always our     glossary of modified car terms that you can checkup the term. If that doesn't help, you can always send us a message through our feedback form.
  
We discuss various techniques of car customizing and various car modifications, as well as the different car tuning methods you can use to increase engine power, maximize car performance, and     build great modified cars; including:
                  Engine Tuning            Learn about the basics behind car  modification and engine tuning. Learn how to increase engine power and  build engines for power and reliability.             |      
  |            Cylinder Head Porting            Learn all about performance camshafts and  cylinder head porting. Also learn about valve timing, camshaft timing  and how to degree your camshaft.             |     
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               Nitrous Injection            Learn how to design wet and dry Nitrous Oxide  Systems for your car. Also learn how to install NOS kits to your car  and how to test and tune them.             |      
  |            Turbochargers            Learn how to select and install the right  turbocharger kit for your car. Also learn how to minimize turbo-lag and  how best to tune a turbo or twin-turbo car.             |     
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               Superchargers            Learn about the different types of  superchargers and how to select and install the right type of  supercharger that will give you the power you want.             |      
  |            Electronic Fuel Injection            Learn how to maintain, modify and tune  electronic fuel injection (EFI), engine control unit (ECU) and engine  management systems for the best performance.             |     
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               Ignition Systems            Learn about the different ignition systems  and how to improve and tune your ignition system for turbocharged,  supercharged and modified engines.             |      
  |            Air Intake Systems            Learn how to improve air flow in and out of  your engine by eliminating restrictions in the air intake system, and  tuning the intake manifold and runners.             |     
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               Exhaust Systems            Learn how to design and build performance  exhaust systems with the correct primary pipe lengths and diameters for  all types of high performance cars.             |      
  |            Suspension Tuning            Learn more about your car suspension and how  to tune your suspension to be able to get the most out of your engine  modifications.             |     
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               Pimp Your Ride!            Learn about ways in which you can modify and  customize your car visually to make it look as hot as it goes in our  latest section on pimped out cars.             |      
  |            Free Wallpapers            Custom-car.us has free modified car and car  logo wallpapers for your desktop. We also have great modified race car  and modified street car wallpapers.             |     
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               Join our forum!            Join our all new modified and custom car  forum where you can discuss your custom car projects, get tips on  modifying thecar you have, and much more!             |      
  |            More Car Pictures            Custom-car.us also brings you free car  pictures from the top car shows around the world, including the well  known Tokyo Auto Salon and the SEMA show.             |     
   
   Although it does not have a lot to do with engine power and car  performance, we do discuss ways in which you can modify and customize  the appearance of your car to make it look as hot as it goes in our  section on     pimped out cars  as it has everything to do with customizing cars, custom cars and  modified cars! After all, what is the point of having a hot custom car  if it     looks a dud, unless you want the sleeper look?
   We will be updating this Web site and adding more information on a  regular basis so that it can serve as a complete resource on modified  cars, custom cars and car modification. We hope that you find this Web  site     and its car modification guides informative and useful for building  your own cool custom car, performance tuning your own car, and getting  the 
best performance out of your car. All the  information     presented here has been thoroughly researched by our contributors. In  our quest to provide the best source of information on car tuning and  car modification, human error is always a possibility. Therefore, you     should always consult your motor mechanic about your specific car  before performing any car modifications to it, and 
always take the necessary safety precautions before tuning cars and engines!     Should you find any errors on our Web site, please inform our 
webmaster  so that we can correct them as soon as possible. You should also note  that some car customizations,     such as increasing your car's ride height, can adversely affect car  performance and safety, while other car modifications may be illegal in  your area. You should always ensure that your car customizations are     legal