Are long headers and B and B fusion exhaust systeam legal in Md?

In Maryland, long tube headers and certain aftermarket exhaust systems, including B and B fusion exhaust systems, can be legal if they meet specific emissions standards and noise regulations. Modifications that increase noise beyond legal limits or that remove emissions control devices can lead to violations. It's essential to check local regulations and ensure compliance with Maryland's vehicle emissions laws. Always consult with a local expert or the Maryland Department of the Environment for the most accurate guidance.