There will undoubtedly be a perceptible difference in your fuel usage after installing a new exhaust system on your car, even if the alterations won't have a significant influence on how much gasoline your engine consumes while you're driving. A new exhaust system will enhance your car's performance even if it won't give your engine more power. Due to the key components, such as mid pipes, catalytic converters, and exhaust headers, which function more effectively to generate an overall beneficial influence on the car's performance, buying a new exhaust system may assist boost a car's performance in many ways.