{"product_id":"mbrp-armor-plus-muffler-m91031-4-inch-inlet-and-outlet-30-inch-overall-length-t409-stainless-steel","title":"MBRP Armor Plus Muffler M91031, 4-Inch Inlet and Outlet, 30-Inch Overall Length, T409 Stainless Steel","description":"Get the sound that you want with our wide range of canister style performance mufflers in singles or duals.\nArmor Plus Muffler; 4 in. Inlet\/Outlet Diameter; 6 in. x 24 in. Body; 30 in. Overall; T409 Stainless Steel; 4 in. Outlet Diameter Tip;\nReplaces All 30\" Overall Length Muffler.\n\u003cul\u003e\n  \u003cli\u003eSpiral Louver Design Accelerates Gas Flow. Long Lasting Core. High Density Packing Ensures Long Life. Classic MBRP Sound.\u003c\/li\u003e\n  \u003cli\u003eEvery Muffler Features Classic MBRP Inc. Sound\u003c\/li\u003e\n  \u003cli\u003eSpiral Louver Design Accelerates Gas Flow\u003c\/li\u003e\n  \u003cli\u003eHigh Density Packing Ensures Long Life\u003c\/li\u003e\n  \u003cli\u003eLong Lasting Core\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your exhaust system with the MBRP Armor Plus Muffler, Part Number M91031. Designed to replace mufflers with a 30-inch overall length, this canister-style performance muffler delivers the classic MBRP sound while supporting efficient exhaust flow. Its 4-inch inlet and outlet configuration makes it suitable for compatible automotive exhaust applications requiring a durable, high-flow muffler.\u003c\/p\u003e\u003cp\u003eThe MBRP M91031 features a spiral louver core that accelerates exhaust gas flow and a long-lasting internal construction engineered for dependable service. High-density packing helps maintain sound quality and durability over time, while the T409 stainless steel construction provides reliable resistance to corrosion and heat in demanding exhaust environments. The muffler is designed for applications using a 4-inch outlet diameter tip and a 30-inch overall muffler length.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Product Specifications and Technical Data:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: MBRP\u003c\/li\u003e\n\u003cli\u003ePart Number: M91031\u003c\/li\u003e\n\u003cli\u003eProduct Type: Canister-style performance muffler\u003c\/li\u003e\n\u003cli\u003eInlet Diameter: 4 inches\u003c\/li\u003e\n\u003cli\u003eOutlet Diameter: 4 inches\u003c\/li\u003e\n\u003cli\u003eBody Size: 6 inches by 24 inches\u003c\/li\u003e\n\u003cli\u003eOverall Length: 30 inches\u003c\/li\u003e\n\u003cli\u003eConstruction Material: T409 stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e One MBRP Armor Plus performance muffler. Exhaust installation hardware, tubing, clamps, and outlet tips are not included unless specified separately. Verify vehicle compatibility, exhaust routing, inlet and outlet configuration, and required installation components before ordering. This product is intended for compatible automotive applications and may not be emissions-approved for use in all regions.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpiral louver design accelerates exhaust gas flow for efficient muffler performance.\u003c\/li\u003e\n\u003cli\u003eT409 stainless steel construction provides durable service in high-heat exhaust environments.\u003c\/li\u003e\n\u003cli\u003eHigh-density packing helps maintain consistent sound quality and supports long service life.\u003c\/li\u003e\n\u003cli\u003eClassic MBRP sound delivers a performance-oriented exhaust note for compatible applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Y\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: t\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"MBRP","offers":[{"title":"Default Title","offer_id":67594771562748,"sku":"M91031","price":262.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/b7201d66397f303681c998fd6b38c3a3.jpg?v=1790561371","url":"https:\/\/diycustoms.store\/products\/mbrp-armor-plus-muffler-m91031-4-inch-inlet-and-outlet-30-inch-overall-length-t409-stainless-steel","provider":"diycustoms.store","version":"1.0","type":"link"}