{"product_id":"full-valved-exhaust-system-bmw-m340i-g20-m440i-g22-b58","title":"Full Valved Exhaust System | BMW M340i (G20) \u0026 M440i (G22) | B58","description":"\u003ch2\u003eFull Valved Exhaust System\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBMW M340i (G20) | BMW M440i (G22) | B58\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTransform the sound and driving experience of your BMW with this premium Full Valved Exhaust System. Designed to deliver an aggressive performance tone when the valves are open and a more refined sound when closed, this system gives you greater control over your vehicle’s exhaust note.\u003c\/p\u003e\n\u003cp\u003eEach system is handcrafted using your choice of T304 stainless steel or lightweight Grade 5 titanium. Mandrel-bent piping, precise TIG welds, and carefully engineered exhaust routing provide proper airflow, dependable fitment, and long-term durability.\u003c\/p\u003e\n\u003cp\u003eIncluded vacuum-operated valves and wireless remotes allow you to change the exhaust character whenever desired, making this system suitable for both daily driving and performance-focused builds.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete valved cat-back exhaust system\u003c\/li\u003e\n\u003cli\u003eVacuum-operated exhaust valves\u003c\/li\u003e\n\u003cli\u003eWireless valve-control remotes included\u003c\/li\u003e\n\u003cli\u003eAvailable in T304 stainless steel or Grade 5 titanium\u003c\/li\u003e\n\u003cli\u003ePrecise TIG-welded construction\u003c\/li\u003e\n\u003cli\u003eMandrel-bent piping for proper fitment and airflow\u003c\/li\u003e\n\u003cli\u003eDesigned for an aggressive open-valve exhaust tone\u003c\/li\u003e\n\u003cli\u003eMore refined sound with the valves closed\u003c\/li\u003e\n\u003cli\u003eMultiple exhaust-tip options available\u003c\/li\u003e\n\u003cli\u003eOEM-style installation\u003c\/li\u003e\n\u003cli\u003eFully reversible without permanent vehicle modification\u003c\/li\u003e\n\u003cli\u003eHandcrafted and made to order\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBMW M340i Sedan (G20)\u003c\/li\u003e\n\u003cli\u003eBMW M440i Coupe (G22)\u003c\/li\u003e\n\u003cli\u003eB58-powered applications listed by the manufacturer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConfirm your exact model year, body style, and drivetrain before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eMaterial Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eT304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eGrade 5 Titanium\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExhaust-Tip Options\u003c\/h3\u003e\n\u003cp\u003eAvailable exhaust-tip selections are shown through the product options above.\u003c\/p\u003e\n\u003ch3\u003eAvailability\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMade to order.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eProduction and Shipping\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEstimated production time: \u003cstrong\u003e15–20 days\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eEstimated shipping time after production: \u003cstrong\u003e15–20 days\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBecause every system is handcrafted, estimated timelines may vary.\u003c\/p\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eProfessional installation is strongly recommended. Uproar Customs does not provide installation instructions or technical support for self-installation.\u003c\/p\u003e","brand":"Uproar Customs","offers":[{"title":"Stainless Steel \/ Gloss Carbon Fiber","offer_id":47322106527913,"sku":null,"price":1849.99,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel \/ Matte Carbon Fiber","offer_id":47322106560681,"sku":null,"price":1849.99,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel \/ Polished","offer_id":47322106593449,"sku":null,"price":1849.99,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel \/ Burnt Titanium","offer_id":47322106626217,"sku":null,"price":1849.99,"currency_code":"USD","in_stock":true},{"title":"Titanium \/ Gloss Carbon Fiber","offer_id":47322106658985,"sku":null,"price":2599.99,"currency_code":"USD","in_stock":true},{"title":"Titanium \/ Matte Carbon Fiber","offer_id":47322106691753,"sku":null,"price":2599.99,"currency_code":"USD","in_stock":true},{"title":"Titanium \/ Polished","offer_id":47322106724521,"sku":null,"price":2599.99,"currency_code":"USD","in_stock":true},{"title":"Titanium \/ Burnt Titanium","offer_id":47322106757289,"sku":null,"price":2599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/1575\/4153\/files\/m34-catback.webp?v=1786034713","url":"https:\/\/www.uproarcustoms.com\/products\/full-valved-exhaust-system-bmw-m340i-g20-m440i-g22-b58","provider":"Uproar Customs","version":"1.0","type":"link"}