Flowmaster FLO425404 40 Series Performance Muffler

Flowmaster FLO425404 40 Series Performance Muffler is listed by Motorstate as a Mufflers and Components for catalog matching by brand, part number, and product name. Use this source-backed listing when comparing Flowmaster components in the Mufflers and Components category. The manufacturer part reference is 425404, while the Motorstate part number is FLO425404. Catalog description context: Muffler - Original 40 Series - Dual 2.5 in Inlets - Dual 2.5 in Outlets - 13 x 9.5 x 4 in Oval Body - 19 in Long - Steel - Black Paint - Universal - Each. No vehicle compatibility is stated here unless it is present in separate fitment data.