There are several performance mods on the market that will increase horsepower, but then there are others that will solely ...

An aftermarket performance auto parts distributor agreed to pay $3.6 million to resolve claims that it sold devices that defeated emissions controls, according to a consent decree.

While there are countless hardened performance cars on the road, such as the iconic BMW M5, they are not necessarily accessible by all. Their prices tend to get hiked up compared to more standard ...

The MotorTrend Car Performance section covers a broad variety of topics, everything from on-track car testing to how car parts affect performance to sports car comparison matchups.

Car customization is a booming business. Consumers spend billions every year on aftermarket parts. Still, many modifications can adversely affect vehicle performance, raising warranty, legal, and ...

There’s a new, hot EcoBoost Mustang in town, and Ford chose to partner with Vaughn Gittin Jr’s RTR for the project.