What is the best [component]?

Including:

or any other parts/modification

These questions have no easy answer as they are all related to how you wish your part/system/car to perform and how much money you are willing to spend.  Also, the sheer variety of upgrade parts available prohibits even a partial listing here.

Before posting questions, please do the following:

• Look at the staged upgrade series from Buschur Racing, Extreme Motorsports, Doug's Dynopower and Diamond Star Specialties.
• Check out the product info from other vendors.
• Go to the Product Review Pages to read opinions on the parts you want.
• 2G non-turbo owners will also wish to read the 2G NT Product Review Pages.
• Read the VFAQs at Tom's site or Brad's site for information on common upgrades.
• Use the FAQ Locator to research more specific questions.
• Search the Club DSM archives for information on the product(s) you are interested in

There are many popular accessories, parts and upgrades for many aspects of the DSM cars.  By reading the above material you will get the required basic information and background necessary to make a decision for yourself.

For information on which parts to buy first, look at making your car faster, above.