In 1981, Jerry Paolone started a small business to recycle catalytic converters. He had the foresight to realize that as cars equipped with the then relatively new pollution control devices began to ...

Your engine can only provide as much power as the smallest bottle neck in the breathing tract. Performance intakes, after-cat exhaust systems, and headers remove many of the restrictions in airflow ...

Brian writes: Sajeev, I have two V-8–powered vehicles that both need one catalytic converter replaced. The first is a 2005 Grand Cherokee with the 5.7-liter Hemi, and it needs the right-side cat ...