{"product_id":"fabspeed-sport-headers-porsche-997-1-gt3-gt3-rs-2006-2009","title":"Fabspeed Sport Headers Porsche 997.1 GT3 \/ GT3 RS (2006-2009)","description":"\u003cp data-start=\"27\" data-end=\"697\"\u003eFabspeed Motorsport 997 GT3 \/ GT3 RS Sport Headers are designed to unlock the true performance potential of Porsche’s legendary Mezger-powered GT3 platform. By replacing the restrictive factory header system with precision-engineered equal-length stainless steel headers, these dramatically improve exhaust scavenging, increase exhaust flow, and allow the 3.6L and 3.8L flat-six engines to breathe more efficiently throughout the RPM range.\u003c\/p\u003e\n\u003cp data-start=\"699\" data-end=\"1091\"\u003eThe factory GT3 already delivers an incredible driving experience, but the OEM exhaust manifolds remain a significant restriction—especially on track-driven or tuned vehicles. Fabspeed’s equal-length primary design improves cylinder evacuation and exhaust pulse tuning, resulting in stronger midrange power, increased top-end performance, and a sharper, more motorsport-inspired exhaust note.\u003c\/p\u003e\n\u003cp data-start=\"1093\" data-end=\"1457\"\u003eConstructed from mandrel-bent T304L stainless steel with integrated high-flow catalytic converters, these headers are engineered for enthusiasts looking to maximize performance without sacrificing drivability. Whether paired with a factory rear exhaust or a full motorsport exhaust setup, this upgrade delivers noticeable gains in both power and driver engagement.\u003c\/p\u003e\n\u003ch2 data-section-id=\"14m1gfj\" data-start=\"1464\" data-end=\"1484\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1467\" data-end=\"1484\"\u003eFitment Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1485\" data-end=\"1839\"\u003e\n\u003cli data-section-id=\"l8fki7\" data-start=\"1485\" data-end=\"1532\"\u003eFits Porsche 997.1 GT3 and GT3 RS (2006-2009)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"da60en\" data-start=\"1581\" data-end=\"1656\"\u003eCompatible with 3.6L and 3.8L Mezger naturally aspirated flat-six engines\u003c\/li\u003e\n\u003cli data-section-id=\"13ltnhu\" data-start=\"1657\" data-end=\"1715\"\u003eDirect bolt-on replacement for factory exhaust manifolds\u003c\/li\u003e\n\u003cli data-section-id=\"19myc6z\" data-start=\"1716\" data-end=\"1783\"\u003eDesigned for use with OEM or aftermarket cat-back exhaust systems\u003c\/li\u003e\n\u003cli data-section-id=\"8s1fyz\" data-start=\"1784\" data-end=\"1839\"\u003eCheck local emissions regulations before installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"rizf6l\" data-start=\"1846\" data-end=\"1861\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1849\" data-end=\"1861\"\u003eIncluded\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1862\" data-end=\"2040\"\u003e\n\u003cli data-section-id=\"1nt1ey6\" data-start=\"1862\" data-end=\"1895\"\u003eLeft-side sport header assembly\u003c\/li\u003e\n\u003cli data-section-id=\"igusnp\" data-start=\"1896\" data-end=\"1930\"\u003eRight-side sport header assembly\u003c\/li\u003e\n\u003cli data-section-id=\"1g6cyp\" data-start=\"1931\" data-end=\"1974\"\u003eIntegrated high-flow catalytic converters\u003c\/li\u003e\n\u003cli data-section-id=\"1kd432\" data-start=\"1975\" data-end=\"1992\"\u003eO2 sensor bungs\u003c\/li\u003e\n\u003cli data-section-id=\"ijwltc\" data-start=\"1993\" data-end=\"2040\"\u003eInstallation hardware and mounting components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1n8pfjs\" data-start=\"2047\" data-end=\"2067\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2050\" data-end=\"2067\"\u003eProduct Specs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2068\" data-end=\"2422\"\u003e\n\u003cli data-section-id=\"4v525k\" data-start=\"2068\" data-end=\"2114\"\u003eMaterial: T304L stainless steel construction\u003c\/li\u003e\n\u003cli data-section-id=\"k1hdea\" data-start=\"2115\" data-end=\"2158\"\u003eDesign: Equal-length header configuration\u003c\/li\u003e\n\u003cli data-section-id=\"jfv8sd\" data-start=\"2159\" data-end=\"2197\"\u003ePrimary Tubing Diameter: 1.75 inches\u003c\/li\u003e\n\u003cli data-section-id=\"7bw2ex\" data-start=\"2198\" data-end=\"2260\"\u003eCatalytic Converters: High-flow HJS HD metal-core sport cats\u003c\/li\u003e\n\u003cli data-section-id=\"wq1q1b\" data-start=\"2261\" data-end=\"2300\"\u003eConstruction: CNC mandrel-bent tubing\u003c\/li\u003e\n\u003cli data-section-id=\"42qv1p\" data-start=\"2301\" data-end=\"2360\"\u003eO2 Sensor Compatibility: Retains factory sensor locations\u003c\/li\u003e\n\u003cli data-section-id=\"12qiqqa\" data-start=\"2361\" data-end=\"2422\"\u003eApplication: Naturally aspirated Mezger GT3 engine platform\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1diez7t\" data-start=\"2429\" data-end=\"2452\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2432\" data-end=\"2452\"\u003eProduct Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2453\" data-end=\"2865\"\u003e\n\u003cli data-section-id=\"8uui7g\" data-start=\"2453\" data-end=\"2533\"\u003eEqual-length header design improves exhaust scavenging and cylinder evacuation\u003c\/li\u003e\n\u003cli data-section-id=\"1pne7ne\" data-start=\"2534\" data-end=\"2592\"\u003eIncreases horsepower and torque throughout the powerband\u003c\/li\u003e\n\u003cli data-section-id=\"1av9m7f\" data-start=\"2593\" data-end=\"2653\"\u003eEnhances throttle response and high-RPM engine performance\u003c\/li\u003e\n\u003cli data-section-id=\"kizrcx\" data-start=\"2654\" data-end=\"2718\"\u003eProduces a sharper, race-inspired Mezger flat-six exhaust note\u003c\/li\u003e\n\u003cli data-section-id=\"ehu0jd\" data-start=\"2719\" data-end=\"2795\"\u003ePremium HJS sport catalytic converters balance performance and drivability\u003c\/li\u003e\n\u003cli data-section-id=\"16kgd8m\" data-start=\"2796\" data-end=\"2865\"\u003eDirect bolt-on installation with OEM-quality fitment and durability\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fabspeed Motorsport","offers":[{"title":"Default Title","offer_id":52077873037632,"sku":"FS.POR.997GT3.SHDR","price":4836.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/7587\/4624\/files\/fabspeed-motorsport-fabspeed-porsche-997-gt3-gt3-rs-sport-headers-2006-2009__32047_72c25bba-b6d3-4b14-8002-93504dbc272d.jpg?v=1780337250","url":"https:\/\/www.forzamotorworks.com\/products\/fabspeed-sport-headers-porsche-997-1-gt3-gt3-rs-2006-2009","provider":"Forza Motor Works","version":"1.0","type":"link"}