{"product_id":"bmw-g8x-m3-m4-vanta-gold™-exhaust-system-yonristic-performance","title":"VANTA GOLD™ Exhaust System | G8X M3\/M4","description":"\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eBMW G8X M3 \/ M4 VANTA GOLD™ Exhaust System — Yonristic Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eA supercar sound. Engineered for the S58.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe VANTA GOLD™ Exhaust System is the most advanced exhaust Yonristic Performance has built for the BMW G80 M3, G82 M4, and G83 M4 Convertible. Built around the proprietary AURUM FLOW CORE™ — a 3D-printed, gold heat-treated convergence module — it delivers an exotic, structured tone across the entire rev range without rasp, breakup, or compromise.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eSound Character\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eIdle \/ Low RPM\u003c\/strong\u003e — Deep, authoritative, and composed\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMid-Range\u003c\/strong\u003e — Smooth and progressively aggressive\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHigh RPM\u003c\/strong\u003e — Clean, sharp, exotic tone with zero metallic rasp\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eValves Closed\u003c\/strong\u003e — Refined and daily-driver quiet\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eValves Open\u003c\/strong\u003e — Direct flow, sharper throttle response, full performance character\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eThe AURUM FLOW CORE™\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe AURUM FLOW CORE™ is a fully 3D-printed exhaust convergence module built specifically for the S58. Instead of colliding exhaust pulses like a traditional X-pipe, it uses sculpted internal flow paths to progressively align and equalize flow from both banks — reducing turbulence, maintaining velocity, and locking in a structured, exotic tone at every RPM.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eFinished with a gold heat-resistant carbon-ceramic coating, it handles sustained high-RPM thermal load while keeping tone and airflow consistent across every heat cycle.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eNot a resonator. Not an X-pipe. A purpose-built solution for the S58.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003ePerformance Gains (Cat-Back \/ Valved Section)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"overflow-x-auto w-full px-2 mb-6\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003eConfiguration\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003eHP Gain\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003eTorque Gain\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eCat-Back Only\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e+18–22 HP\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e+15–25 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eWith MaxFlow Downpipes + Tune\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eSignificantly higher\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eSignificantly higher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eGains are realistic planning ranges. Actual results vary by tune, dyno type, fuel quality, and vehicle condition.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eFor track-focused builds, pair with Yonristic Performance \u003cstrong\u003e3.5\" MaxFlow Downpipes with Integrated Heat Shields\u003c\/strong\u003e (track use only; ECU tuning recommended).\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"overflow-x-auto w-full px-2 mb-6\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003e\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eSystem Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eValved cat-back exhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eCenter Technology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eAURUM FLOW CORE™ (3D-printed convergence module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eCoating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eGold heat-resistant carbon-ceramic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eValve Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eOEM integration retained; optional remote valve control module available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003ePrecision TIG-welded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eDirect bolt-on, factory mounting points — no cutting or welding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eBMW G80 M3 · G82 M4 Coupe · G83 M4 Convertible (S58)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eLimited Production — Pre-Order Only\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eVANTA GOLD is available by \u003cstrong\u003epre-order only\u003c\/strong\u003e with an estimated lead time of \u003cstrong\u003e15–20 business days\u003c\/strong\u003e. Production slots are limited, fulfilled in order received, and will extend once the current allocation fills.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eEarly orders secure earlier build slots.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e📧 Email notifications are available but do not guarantee availability at release.\u003c\/p\u003e","brand":"Yonristic Performance","offers":[{"title":"Catback System \/ AISI304 Stainless Steel \/ (4) Chrome","offer_id":47354595770519,"sku":"YR-0073-BMW-CAT","price":3599.0,"currency_code":"USD","in_stock":true},{"title":"Catback System \/ AISI304 Stainless Steel \/ (4) Gold","offer_id":47354595803287,"sku":"YR-4243-BMW-CAT","price":3599.0,"currency_code":"USD","in_stock":true},{"title":"Catback System \/ AISI304 Stainless Steel \/ (4) Carbon 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Flow Downpipe \/ AISI304 Stainless Steel \/ (4) Carbon Fiber","offer_id":47354596196503,"sku":"YR-2348-BMW-CAT","price":3999.0,"currency_code":"USD","in_stock":true},{"title":"Catback + Free Flow Downpipe \/ 4AL-6V Titanium \/ (4) Chrome","offer_id":47354596262039,"sku":"YR-8463-BMW-CAT","price":4899.0,"currency_code":"USD","in_stock":true},{"title":"Catback + Free Flow Downpipe \/ 4AL-6V Titanium \/ (4) Gold","offer_id":47354596294807,"sku":"YR-7062-BMW-CAT","price":4899.0,"currency_code":"USD","in_stock":true},{"title":"Catback + Free Flow Downpipe \/ 4AL-6V Titanium \/ (4) Carbon Fiber","offer_id":47354596360343,"sku":"YR-9434-BMW-CAT","price":4899.0,"currency_code":"USD","in_stock":true},{"title":"Catback + High Flow Downpipe (200 Cell) \/ AISI304 Stainless Steel \/ (4) Chrome","offer_id":47354596425879,"sku":"YR-5540-BMW-CAT","price":4299.0,"currency_code":"USD","in_stock":true},{"title":"Catback + High Flow Downpipe (200 Cell) \/ AISI304 Stainless Steel \/ (4) 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Chrome","offer_id":47690419404951,"sku":"sku-42709792227399","price":4499.0,"currency_code":"USD","in_stock":true},{"title":"Catback + High Flow Downpipe (400 Cell) \/ AISI304 Stainless Steel \/ (4) Gold","offer_id":47690419437719,"sku":"sku-42709792260167","price":4499.0,"currency_code":"USD","in_stock":true},{"title":"Catback + High Flow Downpipe (400 Cell) \/ AISI304 Stainless Steel \/ (4) Carbon Fiber","offer_id":47690419503255,"sku":"sku-42709792325703","price":4499.0,"currency_code":"USD","in_stock":true},{"title":"Catback + High Flow Downpipe (400 Cell) \/ 4AL-6V Titanium \/ (4) Chrome","offer_id":47690419568791,"sku":"sku-42709792391239","price":5399.0,"currency_code":"USD","in_stock":true},{"title":"Catback + High Flow Downpipe (400 Cell) \/ 4AL-6V Titanium \/ (4) Gold","offer_id":47690419601559,"sku":"sku-42709792424007","price":5399.0,"currency_code":"USD","in_stock":true},{"title":"Catback + High Flow Downpipe (400 Cell) \/ 4AL-6V Titanium \/ (4) Carbon Fiber","offer_id":47690419667095,"sku":"sku-42709792489543","price":5399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/7590\/6199\/files\/G8XVANTAGOLD.jpg?v=1773772040","url":"https:\/\/midnightsokudo.com\/products\/bmw-g8x-m3-m4-vanta-gold%e2%84%a2-exhaust-system-yonristic-performance","provider":"MidnightSokudo","version":"1.0","type":"link"}