{"product_id":"bmw-8-series-g14-g15-g16-840i-b58-3-0t-ss304-valved-catback-exhaust-system","title":"BMW 8 Series G14 \/ G15 \/ G16 840i B58 3.0T SS304 Valved Catback Exhaust System","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUpgrade your \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBMW 8 Series G14 \/ G15 \/ G16 840i B58 3.0T\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with a premium \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSS304 stainless steel valved catback exhaust system\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, designed to deliver a deeper, sportier and more aggressive exhaust character while maintaining convenient control over the sound level.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe integrated \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eValvetronic exhaust valve system\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed to work with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOEM valve control functionality\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, allowing the exhaust valves to be adjusted according to the vehicle’s compatible factory control setup. This provides the flexibility to retain a more refined exhaust tone during everyday driving while unlocking a stronger and more performance-focused sound when desired.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eManufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSS304 stainless steel with 1.5 mm wall thickness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the system provides excellent durability, corrosion resistance and long-term performance. Mandrel-bent stainless steel tubing helps maintain smooth exhaust flow, while the vehicle-specific configuration is developed around the BMW \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eB58 3.0T performance platform\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned as a performance-oriented catback upgrade, this exhaust system combines premium stainless steel construction, electronic valve functionality and a clean OEM+ appearance, making it an ideal upgrade for BMW 840i owners looking to improve sound, styling and the overall driving experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eSS304 Stainless Steel Construction\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e1.5 mm Wall Thickness\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eValved Catback Exhaust System\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eElectronic Exhaust Valves\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eOEM Valve Control \/ Valvetronic Functionality\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjustable Exhaust Sound on Demand\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDeeper and More Aggressive Exhaust Character\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDesigned for the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eB58 3.0T Engine Platform\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMandrel-Bent Stainless Steel Tubing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDurable and Corrosion-Resistant Construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVehicle-Specific BMW Fitment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePerformance-Oriented Exhaust Design\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eCompatible Models\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eBMW 8 Series G14 840i\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eBMW 8 Series G15 840i\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eBMW 8 Series G16 840i Gran Coupe\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for compatible BMW models equipped with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eB58 3.0T engine\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePackage Includes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSS304 Stainless Steel Valved Catback Exhaust System\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eValved Muffler Assembly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIntegrated Electronic Exhaust Valves\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eOEM \/ Valvetronic Control Compatible Components\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSelected Exhaust Configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRequired Exhaust Components Supplied with the System\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eInstallation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eProfessional installation is recommended to ensure correct alignment, sealing and proper operation of the electronic exhaust valve system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eVehicle specifications can vary depending on model year and market. Please confirm your exact \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBMW chassis, B58 engine configuration and existing exhaust \/ valve control system\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Note\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eExhaust sound and overall volume may vary depending on vehicle specification, engine configuration and other performance modifications fitted to the vehicle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProduct appearance and individual exhaust components may also vary slightly depending on the selected configuration.\u003c\/span\u003e\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Gloss Black","offer_id":62459343962499,"sku":"XN-EX-00840-GC","price":2139.99,"currency_code":"EUR","in_stock":true},{"title":"Chrome","offer_id":62459343995267,"sku":"XN-EX-00840-GC","price":2139.99,"currency_code":"EUR","in_stock":true},{"title":"Carbon Fiber","offer_id":62459344028035,"sku":"XN-EX-00840-GC","price":2139.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1027\/8826\/8419\/files\/xn-tuning-840i-cat-back-exhaust-system-b58-1.png?v=1787742244","url":"https:\/\/xntuning.com\/products\/bmw-8-series-g14-g15-g16-840i-b58-3-0t-ss304-valved-catback-exhaust-system","provider":"XN TUNING","version":"1.0","type":"link"}