{"product_id":"g8x-jpipe-catback-exhaust","title":"BMW G8X J-Pipe Catback Valved Exhaust","description":"\u003cp\u003eTake your G8X valved exhaust system to the next level with a performance-focused \u003cstrong\u003eJ-pipe catback exhaust\u003c\/strong\u003e engineered to free up the S58 soundtrack and reduce back pressure compared to the restrictive factory system. Available in \u003cstrong\u003etitanium or 304 stainless steel\u003c\/strong\u003e, it combines premium construction with a lightweight, motorsport-inspired design for improved flow and a more aggressive exhaust character.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTitanium or 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eValved for switchable street\/track sound\u003c\/li\u003e\n\u003cli\u003eDirect catback fitment — no modification required\u003c\/li\u003e\n\u003cli\u003eJ-pipe design for a deeper, more aggressive tone\u003c\/li\u003e\n\u003cli\u003eMandrel-bent piping for optimal flow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA premium catback upgrade designed to unlock a more aggressive S58 sound while improving exhaust flow and delivering a true motorsport-inspired feel.\u003c\/p\u003e","brand":"Signature Composites","offers":[{"title":"Titanium","offer_id":48880292266219,"sku":"SC.G8X.EXH.JCB.TI","price":3149.99,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel","offer_id":48880292298987,"sku":"SC.G8X.EXH.JCB.SS","price":2474.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/8766\/2059\/files\/signature-g80-m3-exhaust-3.jpg?v=1781844120","url":"https:\/\/signaturecomposites.co\/products\/g8x-jpipe-catback-exhaust","provider":"Signature Composites","version":"1.0","type":"link"}