{"product_id":"flowmaster-2-50-ind-outd-40-series-muffler","title":"Flowmaster 2.50 IN(D)\/OUT(D) 40 Series Muffler","description":"The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.\n40 Series  - 2.50\" IN(D)\/OUT(D) - Aggressive Sound\nUniversal Muffler - Some adaptation may be required.\n\u003cul\u003e\n  \u003cli\u003eExcellent Street\/Strip and Off Road application\u003c\/li\u003e\n  \u003cli\u003eDurable fully welded 16 gauge aluminized steel\u003c\/li\u003e\n  \u003cli\u003eAggressive Sound Exterior Exhaust Tone\u003c\/li\u003e\n  \u003cli\u003eNo internal packing to blowout\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Flowmaster 40 Series muffler delivers the aggressive exterior and interior exhaust tone associated with the original Flowmaster sound. Designed for drivers seeking a bold street, strip, or off-road exhaust note, this universal muffler provides a durable performance-oriented solution for a variety of custom exhaust applications. The Flowmaster 425404 features a 2.5-inch inlet and outlet configuration and may require adaptation for installation depending on the vehicle and exhaust system.\u003cbr\u003eConstructed from durable 16-gauge aluminized steel, the muffler is fully MIG welded to support long-term strength and dependable performance. Its internal design does not use packing, helping eliminate concerns about packing material blowing out over time and maintaining a consistent sound profile. The rugged construction makes this muffler well suited for demanding automotive applications where durability and an aggressive exhaust character are important.\u003cbr\u003eThe Flowmaster 425404 40 Series universal muffler is an excellent choice for street and strip vehicles, off-road builds, and custom exhaust projects. Verify inlet and outlet positioning, vehicle clearance, and required exhaust adaptations before installation. Professional installation is recommended to ensure proper fitment, alignment, and leak-free performance.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eAggressive Sound: Produces a bold exterior and interior exhaust tone with the original Flowmaster 40 Series sound.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eUniversal Fit: Designed for custom exhaust applications; some adaptation may be required for installation.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDurable Construction: Made from 16-gauge aluminized steel for dependable strength and corrosion resistance.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFully MIG Welded: Welded construction supports long-lasting durability under demanding driving conditions.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePacking-Free Design: No internal packing to blow out, helping maintain a consistent exhaust tone.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eVersatile Application: Suitable for street, strip, and off-road automotive applications.\u003c\/li\u003e\u003c\/ul\u003e","brand":"Flowmaster","offers":[{"title":"Default Title","offer_id":67590406275388,"sku":"flo425404","price":122.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/d74542ffabbc83f340b46e4d6a9b15a5L.jpg?v=1790571122","url":"https:\/\/necycleshop.com\/products\/flowmaster-2-50-ind-outd-40-series-muffler","provider":"NE Cycle Shop","version":"1.0","type":"link"}