So, in an SCR-equipped vehicle, the exhaust gas from the engine is routed first through a particulate filter to catch all the soot and ash generated from burning what is a relatively impure fuel.

If you plan to upgrade your car on a budget, most car enthusiasts often start with the engine's air intake system and a performance exhaust. Add-ons like a cold air intake or a straight pipe will ...

Problems with your vehicle’s catalytic converter might first become apparent through poor acceleration, a rotten-egg smell from the exhaust, or the check-engine light coming on. As things get ...

Sure, the exhaust system is an important part of how an internal combustion engine works — a series of pipes that collect, clean and expunge the gases created by the engine into the atmosphere ...