If you don't want to run into authorities while driving, then you should get a Magnaflow Catalytic Converter for your car. Smoke-belching iincurs a heavy fine. Most US states these days have crafted Clean Air acts and one of those they are monitoring are cars. You need not worry, though, because Magnaflow has an answer to your problem. You only have to get a Magnaflow Catalytic Converter and you can drive your way through expressways anytime, anywhere/Magnaflow is a respected name in the aftermarket industry. In fact, its parent company, Car Sound Exhaust System, LLC, specializes in superior catalytic converter technology and is a world leader in the production of converters. In fact, the Magnaflow Performance Exhaust has been awarded the ISO-9001 certificate, an international quality standard that defines quality management and manufacturing systems. It has 20 specific design, material, and process requirements that Magnaflow has easily met. This certificate is renewed every six months to ensure that quality standards are maintained.You can be assured that Magnalow Catalytic Converters, Magnaflow Exhaust Systems, and Magnaflow Mufflers are of the highest quality and are the best-valued in the market. They were developed and evaluated by a team of Magnaflow designers and engineers who make sure that the converters meet emission reduction requirements.You'll know when you need a new Magnaflow Catalytic Converter when your car starts to run roughly, the temperature of your engine rises, and your exhaust gives off smoke. In extreme cases, your car will refuse to start at all. When this happens, go straight to any dealer and buy a new Magnaflow Catalytic Converter.