The Fuel Save Pro is a portable OBD2 chip that plugs directly into your vehicle's onboard diagnostics port and claims to ...

Learn how engine headers and DPF delete kits can improve exhaust flow, boost vehicle performance, and enhance efficiency with ...

A hybrid turbo is a great way to get a lot more power out of your turbo setup without running into OEM compatibility or space ...

Why it exists: Automakers install Auto Start-Stop to meet emissions rules and improve fuel economy, especially in city driving. Why drivers resist: Many dislike the lag when restarting, the wear on ...

Forget the factory specs. From 1,000 hp monsters to the V12 that powered a legend, these 10 BMW engines offer the world's ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: A scientist wants to reprogram ...