Yes.
22. EXHAUST SYSTEM: The header, muffler and gasket must remain within the stock dimensions, steel thickness, location and configurations of the original, as delivered new by U.S. Legend Cars International. Extra tabs, safety wire etc. are permitted to secure the muffler. Mufflers may not be completely welded to the pipes. The internal components of the header and muffler may not be altered. Stock U.S. Legend Cars International, Borla and S&S exhaust systems (approved by INEX and delivered by U.S. Legend Cars International, Inc.) are mandatory. Header wrapping (tape) is acceptable. Ceramic or baked on coatings are not permitted.
Steve
