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 ...

The smoother the transition from high exhaust pressure within a header's ... and that makes the header system less sensitive to engine speed tuning (less peaky). Managing this transition is ...

Let’s get to it. The exhaust fumes that come out of the tailpipe of your vehicle are the direct byproducts of the combustion process happening in the engine. A spark lights a mixture of gasoline ...

And unless you are driving an ancient two-stroke Saab (which sounds like an old chain saw and belches oily smoke out its exhaust), your engine works on the same basic principles whether you're ...

Bolted directly to the engine block, the exhaust manifold is the first section of a vehicle’s exhaust system. It funnels exhaust gases from all the cylinders and routes them to the car’s ...