{"product_id":"porsche-911-991-1-gt3-gt3-rs-headers","title":"Porsche 911 991.1 GT3\/GT3 RS Headers","description":"\u003cp data-start=\"28\" data-end=\"69\"\u003ePure flow. Naturally aspirated precision.\u003c\/p\u003e\n\u003cp data-start=\"71\" data-end=\"392\"\u003eThe \u003cstrong data-start=\"75\" data-end=\"127\"\u003e2013–2016 Porsche 911 991.1 GT3 \/ GT3 RS Headers\u003c\/strong\u003e are engineered to maximize exhaust efficiency for Porsche’s high-revving naturally aspirated flat-six. By replacing the factory restrictive manifolds, these headers improve exhaust scavenging, allowing the engine to breathe more freely across the entire RPM range.\u003c\/p\u003e\n\u003cp data-start=\"394\" data-end=\"619\"\u003eDesigned specifically for the GT3 platform, this upgrade enhances throttle response, sharpens power delivery, and amplifies the signature high-pitched GT3 exhaust note — delivering a more raw and connected driving experience.\u003c\/p\u003e\n\u003cp data-start=\"621\" data-end=\"886\"\u003eConstructed using precision TIG welding and mandrel-bent tubing, these headers ensure durability under extreme temperatures while maintaining optimal flow characteristics. Designed as a \u003cstrong data-start=\"807\" data-end=\"834\"\u003edirect bolt-on solution\u003c\/strong\u003e, installation is seamless with no cutting required.\u003c\/p\u003e\n\u003cp data-start=\"888\" data-end=\"973\"\u003eThis isn’t about forced power.\u003cbr data-start=\"918\" data-end=\"921\"\u003eThis is about perfecting what’s already exceptional.\u003c\/p\u003e\n\u003cp data-start=\"1037\" data-end=\"1340\"\u003e\u003cstrong data-start=\"1037\" data-end=\"1054\"\u003eKey Features:\u003c\/strong\u003e\u003cbr data-start=\"1054\" data-end=\"1057\"\u003e• Improved exhaust flow and scavenging\u003cbr data-start=\"1095\" data-end=\"1098\"\u003e• Increased horsepower \u0026amp; throttle response\u003cbr data-start=\"1140\" data-end=\"1143\"\u003e• Enhanced high-revving engine performance\u003cbr data-start=\"1185\" data-end=\"1188\"\u003e• Sharper, more aggressive GT3 exhaust tone\u003cbr data-start=\"1231\" data-end=\"1234\"\u003e• TIG welded construction\u003cbr data-start=\"1259\" data-end=\"1262\"\u003e• Mandrel-bent piping for maximum efficiency\u003cbr data-start=\"1306\" data-end=\"1309\"\u003e• Direct bolt-on installation\u003c\/p\u003e","brand":"HPH","offers":[{"title":"Default Title","offer_id":51280447930666,"sku":"POR-991.1-GT3-HDR","price":2660.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/9399\/0186\/files\/6_b64901e0-ab9d-4185-88cb-0af4cfef877b.jpg?v=1774063753","url":"https:\/\/hphouseae.com\/products\/porsche-911-991-1-gt3-gt3-rs-headers","provider":"HPHouse","version":"1.0","type":"link"}