{"product_id":"valvetronic-valved-sport-exhaust-system-for-porsche-gt3-991-1-991-2","title":"Valvetronic Valved Sport Exhaust System for Porsche GT3 991.1 \/ 991.2","description":"\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/EiJs76C8XCI?si=TGbEk58UrGLi6Yjs\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch1 data-end=\"224\" data-start=\"166\"\u003ePorsche 991 GT3 \/ GT3 RS – Valved Sport Exhaust System\u003c\/h1\u003e\n\u003cp data-end=\"270\" data-start=\"225\"\u003eF1-Inspired • RSR Sound • 9000 RPM Symphony\u003c\/p\u003e\n\u003chr data-end=\"275\" data-start=\"272\"\u003e\n\u003ch3 data-end=\"291\" data-start=\"277\"\u003eOverview\u003c\/h3\u003e\n\u003cp data-end=\"491\" data-start=\"292\"\u003eThis system is truly \u003cstrong data-end=\"346\" data-start=\"313\"\u003eunparalleled in sound quality\u003c\/strong\u003e. After over a year and a half of dedicated research and development, we’ve engineered an exhaust experience that must be heard to be believed.\u003c\/p\u003e\n\u003cp data-end=\"800\" data-start=\"493\"\u003eWhen Porsche introduced the \u003cstrong data-end=\"535\" data-start=\"521\"\u003eDFI engine\u003c\/strong\u003e in the 991 GT3, many feared it would lack the soul of the legendary Mezger. But with a screaming \u003cstrong data-end=\"655\" data-start=\"633\"\u003e9,000 RPM flat-six\u003c\/strong\u003e, Porsche delivered in spades. Still, the factory setup leaves much to be desired when it comes to rawness and that elusive \u003cstrong data-end=\"797\" data-start=\"779\"\u003eF1-style sound\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"1214\" data-start=\"802\"\u003eAt Valvetronic Designs, we’ve crafted a system that elevates your GT3 experience. Featuring \u003cstrong data-end=\"913\" data-start=\"894\"\u003e2.5-inch piping\u003c\/strong\u003e, a \u003cstrong data-end=\"955\" data-start=\"917\"\u003elarge stamped cross-section X-pipe\u003c\/strong\u003e, and added \u003cstrong data-end=\"984\" data-start=\"967\"\u003eloop sections\u003c\/strong\u003e to lengthen the exhaust path, this setup achieves the \u003cstrong data-end=\"1069\" data-start=\"1039\"\u003ehigh-pitch motorsport tone\u003c\/strong\u003e enthusiasts crave. Combine it with our \u003cstrong data-end=\"1130\" data-start=\"1109\"\u003efree-flow headers\u003c\/strong\u003e, and your 991 becomes one of the most exhilarating sounding machines on the road.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gM7UK_R_9rs\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003chr data-end=\"1219\" data-start=\"1216\"\u003e\n\u003ch3 data-end=\"1241\" data-start=\"1221\"\u003eSound Dynamics\u003c\/h3\u003e\n\u003cp data-end=\"1309\" data-start=\"1242\"\u003eThis exhaust is designed to \u003cstrong data-end=\"1306\" data-start=\"1270\"\u003eemulate the Porsche RSR race car\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-end=\"1671\" data-start=\"1311\"\u003e\n\u003cli data-end=\"1490\" data-start=\"1311\"\u003e\n\u003cp data-end=\"1490\" data-start=\"1313\"\u003e\u003cstrong data-end=\"1328\" data-start=\"1313\"\u003eValves Open\u003c\/strong\u003e: An uncompromising sound experience with aggressive flames on upshifts and a crescendo that builds all the way to the 9000 RPM redline. Pure F1-inspired drama.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1671\" data-start=\"1491\"\u003e\n\u003cp data-end=\"1671\" data-start=\"1493\"\u003e\u003cstrong data-end=\"1510\" data-start=\"1493\"\u003eValves Closed\u003c\/strong\u003e: Volume is tamed for comfort on long motorway drives or early-morning starts. Cabin drone is eliminated, keeping the experience refined even with valves shut.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1676\" data-start=\"1673\"\u003e\n\u003ch3 data-end=\"1692\" data-start=\"1678\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-end=\"2110\" data-start=\"1693\"\u003e\n\u003cli data-end=\"1740\" data-start=\"1693\"\u003e\n\u003cp data-end=\"1740\" data-start=\"1695\"\u003eFull \u003cstrong data-end=\"1719\" data-start=\"1700\"\u003e2.5-inch system\u003c\/strong\u003e from front to back\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1795\" data-start=\"1741\"\u003e\n\u003cp data-end=\"1795\" data-start=\"1743\"\u003eLarge stamped \u003cstrong data-end=\"1781\" data-start=\"1757\"\u003ecross-section X-pipe\u003c\/strong\u003e for F1 tone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1848\" data-start=\"1796\"\u003e\n\u003cp data-end=\"1848\" data-start=\"1798\"\u003eAdded \u003cstrong data-end=\"1821\" data-start=\"1804\"\u003eloop sections\u003c\/strong\u003e for enhanced sound pitch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1925\" data-start=\"1849\"\u003e\n\u003cp data-end=\"1925\" data-start=\"1851\"\u003eOptional \u003cstrong data-end=\"1881\" data-start=\"1860\"\u003efree-flow headers\u003c\/strong\u003e for maximum performance and sound quality\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1992\" data-start=\"1926\"\u003e\n\u003cp data-end=\"1992\" data-start=\"1928\"\u003e\u003cstrong data-end=\"1962\" data-start=\"1928\"\u003eVacuum-actuated exhaust valves\u003c\/strong\u003e with factory-like operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2053\" data-start=\"1993\"\u003e\n\u003cp data-end=\"2053\" data-start=\"1995\"\u003ePrecision \u003cstrong data-end=\"2018\" data-start=\"2005\"\u003eTIG welds\u003c\/strong\u003e for high strength and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2110\" data-start=\"2054\"\u003e\n\u003cp data-end=\"2110\" data-start=\"2056\"\u003e\u003cstrong data-end=\"2075\" data-start=\"2056\"\u003e100% reversible\u003c\/strong\u003e – always able to return to stock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2115\" data-start=\"2112\"\u003e\n\u003ch3 data-end=\"2130\" data-start=\"2117\"\u003eFitment\u003c\/h3\u003e\n\u003cul data-end=\"2193\" data-start=\"2131\"\u003e\n\u003cli data-end=\"2160\" data-start=\"2131\"\u003e\n\u003cp data-end=\"2160\" data-start=\"2133\"\u003e2014–2019 Porsche 991 GT3\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2193\" data-start=\"2161\"\u003e\n\u003cp data-end=\"2193\" data-start=\"2163\"\u003e2016–2019 Porsche 991 GT3 RS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Valvetronic Designs","offers":[{"title":"SPORT CATBACK SYSTEM ONLY \/ Stainless Steel","offer_id":51055563178278,"sku":"POR.991.GT3.VSES.BR","price":3999.99,"currency_code":"USD","in_stock":true},{"title":"SPORT CATBACK SYSTEM ONLY \/ Titanium","offer_id":51055563211046,"sku":"POR.991.GT3.VSES.TI","price":5999.99,"currency_code":"USD","in_stock":true},{"title":"'+ FREE FLOW RACE HEADERS \/ Stainless Steel","offer_id":51055563243814,"sku":"POR.991.GT3.VSES.FFH.BR","price":5999.99,"currency_code":"USD","in_stock":true},{"title":"'+ FREE FLOW RACE HEADERS \/ Titanium","offer_id":51055563276582,"sku":"POR.991.GT3.VSES.FFH.TI","price":7999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/2131\/5878\/files\/A7407701.jpg?v=1756923846","url":"https:\/\/store.ngpracing.com\/products\/valvetronic-valved-sport-exhaust-system-for-porsche-gt3-991-1-991-2","provider":"New German Performance","version":"1.0","type":"link"}