Four exhaust pipes sticking out the rear of a car might seem purely cosmetic, and in many cases, they are. But in others, especially in high-performance vehicles with over 1000 horsepower, quad ...

An exhaust system is essential for managing emissions and optimizing internal combustion engine (ICE) vehicle performance. One of the more significant advancements in this area is the active exhaust ...

Mazda has a neat idea for what is basically a CO2 diaper that could be part of combustion-engine exhaust systems.

Performance exhaust systems work best when they are accurately combined with intelligently selected engine components. Danny Shaffer's blown '55 Chevy in this issue is fitted with a set of 5-inch ...

Every car is built differently. Some cars even have wild features like lightning rod shifters to push the envelopes of style, performance, and user experience. However, there's one standard feature ...

When it comes to aural qualities, the Stellantis Hurricane 3.0-liter engine is no BMW sixer. Dubbed Straight-Six Turbo by the Ram truck brand, this I6 comes in two states of tune in the 2025 Ram 1500.