{"product_id":"roadstersport-4-muffler-w-helmholtz-chamber","title":"RoadsterSport 4 Muffler w\/ Helmholtz Chamber","description":"The RoadsterSport 4 stainless steel muffler represents an advancement in exhaust technology for 1999 through 2005 Mazda MX-5 Miatas.\n\nBuilt from durable T-304 polished stainless steel, this muffler incorporates an exclusive Helmholtz chamber designed to significantly reduce interior exhaust 'booming' frequencies between 120-130hz by over 40 decibels within the cabin, especially when the top is down. The system also features removable baffles, allowing you to customize the final sound output to your preference.\n\nIncluded with the muffler are all necessary mounting hardware and a gasket for installation. The product is backed by a lifetime warranty from the manufacturer, ensuring long-term quality and performance. This muffler is compatible with both automatic and manual transmission vehicles.\n\nThis product ships directly from the vendor's warehouse and is typically expected to arrive within 3-4 business days after processing. Please note that direct ship items are only sent to addresses within the contiguous 48 United States, and refunds are not issued for returned direct ship items.","brand":"KYB","offers":[{"title":"Default Title","offer_id":52687914238264,"sku":"910-348","price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/662656951.webp?v=1784887285","url":"https:\/\/store.motormia.co\/products\/roadstersport-4-muffler-w-helmholtz-chamber","provider":"MOTORMIA","version":"1.0","type":"link"}