The aftermarket auto parts industry is also referred to as secondary market. This secondary market offers plethora of alternative high performance automotive parts that usually do not come installed in a ''stock'' vehicle. Stock vehicle refers to a vehicle that is completely in factory condition, without any modification or amendment done on it. Aftermarket performance parts are usually sought after by car owners who are not satisfied with the performance of original vehicle and want more improved performance out of it. Aftermarket performance parts are available in the form of vehicle parts, chemicals, equipment, tools, and various other accessories that can be installed on the vehicle, replacing ''stock'' parts.
The aftermarket auto parts and accessories is a highly successful business in the USA with $250 billion of business annually. These category of products cover a wide range of replacement parts (due to age or accidents) and improvements in original performance of the vehicle, appearance or tuning, and even fuel conversion. This market is a huge market that offers innumerable brands that deal in manufacturing and selling of aftermarket auto parts. Race car enthusiasts across the USA are regular visitors to such markets as they search for different parts to boost the performance of their racecars.
That said, the major part of the aftermarket performance auto parts industry is certainly for tuning and often full-on racing. This industry provides employment to nearly 5 million people in the United States. Manufacturing companies, distributing companies, retail and repair shops combine to provide employment to 5 million people collectively. Its contribution to the US economy is also substantial and is one of the major contributors to the US economy.
Turbo kits. Turbocharges are probably one of the most aftermarket performance racing parts. There are different from superchargers or twinchargers. A turbocharger is actually centrifugal compressor. This compressor employs forced induction to boost power and efficiency depending on the setup. Turbochargers have little weight and their size is also small, but the boost they are able to provide is nothing less than impressive. These features make them ideal for smaller vehicles with limited engine bay space. After installing turbo charger, vehicles show a significant improvement in power, speed, and acceleration.
Aftermarket performance auto parts and accessories.
There is a wide range of aftermarket performance auto parts and accessories that are bought and used by racecar enthusiasts. Racing wheels, low profile tyres, independent suspension, automatic transmission, intake, exhaust, racing seats, and much much more. These are just a fraction of parts that are bought and installed to change the interior and exterior appearance of the car. When buying used or new aftermarket performance auto parts, you should be careful because there are some low-cost, low quality auto parts that deliver poor performance and do not last long. You should know how to differentiate between a good quality and low quality performance parts. Cheap quality performance parts do not come with warranty and that is their weakest link. Low quality performance part may get damaged days after the purchase and you will have no other option but to buy new.