B&BCo Exhaust Pros has experienced people with over 100 years in the exhaust business. We are probably the most knowledgeable company when it comes to catalytic converters. We know your depressing feeling for you is when your customer comes back with a check engine light issue, when you have already performed a converter replacement. We will do everything in our power not to let this happen…call us and find out.B&BCo Exhaust Pros has experienced people with over 100 years in the exhaust business. We are probably the most knowledgeable company when it comes to catalytic converters. We know your depressing feeling for you is when your customer comes back with a check engine light issue, when you have already performed a converter replacement. We will do everything in our power not to let this happen…call us and find out.