Part #: 42583. For years, Flowmaster?. Like all Flowmaster?. Cross-Flow Muffler. Category: Exhaust > Mufflers > Exhaust Muffler. Check your applicable laws and manufacturerâs publication(s) and/or website(s) for manufacturerâs warranty, maintenance, safety, mounting and any regulatory compliance/noncompliance (including California CARB - California Air Resource Board) information.
