{"product_id":"plm-power-driven-k-series-k20-tri-y-header-honda-civic-si-fg-fd-fa-2006-2011","title":"PLM Power Driven K-Series K20 Tri-Y Header – Honda Civic Si FG \/ FD \/ FA (2006–2011)","description":"\u003ch2 data-start=\"205\" data-end=\"296\"\u003e\u003cstrong data-start=\"208\" data-end=\"296\"\u003ePLM Power Driven K-Series K20 Tri-Y Header – Honda Civic Si FG \/ FD \/ FA (2006–2011)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"298\" data-end=\"324\"\u003e\u003cstrong data-start=\"298\" data-end=\"306\"\u003eSKU:\u003c\/strong\u003e PLM-HFG1-HEADER\u003c\/p\u003e\n\u003ch3 data-start=\"326\" data-end=\"353\"\u003e\u003cstrong data-start=\"330\" data-end=\"353\"\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"354\" data-end=\"698\"\u003eThe PLM Private Label Mfg. Power Driven K-Series K20 Tri-Y Header is engineered specifically for \u003cstrong data-start=\"451\" data-end=\"503\"\u003e8th Generation Honda Civic Si models (2006–2011)\u003c\/strong\u003e equipped with the \u003cstrong data-start=\"522\" data-end=\"536\"\u003eK20 engine\u003c\/strong\u003e. Designed to replace the restrictive factory exhaust manifold, this header significantly improves exhaust flow, throttle response, and overall engine efficiency.\u003c\/p\u003e\n\u003cp data-start=\"700\" data-end=\"1048\"\u003eFeaturing a proven \u003cstrong data-start=\"719\" data-end=\"741\"\u003e4-2-1 Tri-Y design\u003c\/strong\u003e, this header enhances low- to mid-range torque while still supporting strong top-end power—making it an excellent choice for both daily-driven street cars and performance-focused builds. The \u003cstrong data-start=\"933\" data-end=\"960\"\u003etrue 2.5-inch collector\u003c\/strong\u003e ensures smooth exhaust scavenging and optimal flow into the rest of the exhaust system.\u003c\/p\u003e\n\u003cp data-start=\"1050\" data-end=\"1450\"\u003eConstructed from \u003cstrong data-start=\"1067\" data-end=\"1103\"\u003ehigh-quality 304 stainless steel\u003c\/strong\u003e with \u003cstrong data-start=\"1109\" data-end=\"1148\"\u003eCNC-machined 3\/8-inch thick flanges\u003c\/strong\u003e, this header is built to withstand extreme heat cycles while maintaining a precise, leak-free seal. The \u003cstrong data-start=\"1253\" data-end=\"1284\"\u003emulti-piece slip-fit design\u003c\/strong\u003e allows for easier installation and proper alignment, while the included extension pipe, gaskets, and hardware provide a complete, bolt-on solution for your Civic Si.\u003c\/p\u003e\n\u003ch3 data-start=\"1452\" data-end=\"1472\"\u003e\u003cstrong data-start=\"1456\" data-end=\"1472\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1473\" data-end=\"1974\"\u003e\n\u003cli data-start=\"1473\" data-end=\"1531\"\u003e\n\u003cp data-start=\"1475\" data-end=\"1531\"\u003eDesigned specifically for \u003cstrong data-start=\"1501\" data-end=\"1531\"\u003eHonda Civic Si K20 engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1532\" data-end=\"1602\"\u003e\n\u003cp data-start=\"1534\" data-end=\"1602\"\u003e\u003cstrong data-start=\"1534\" data-end=\"1563\"\u003e4-2-1 Tri-Y header design\u003c\/strong\u003e for improved torque and power delivery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1603\" data-end=\"1657\"\u003e\n\u003cp data-start=\"1605\" data-end=\"1657\"\u003e\u003cstrong data-start=\"1605\" data-end=\"1632\"\u003eTrue 2.5-inch collector\u003c\/strong\u003e for optimal exhaust flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1658\" data-end=\"1700\"\u003e\n\u003cp data-start=\"1660\" data-end=\"1700\"\u003eConstructed from \u003cstrong data-start=\"1677\" data-end=\"1700\"\u003e304 stainless steel\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1701\" data-end=\"1738\"\u003e\n\u003cp data-start=\"1703\" data-end=\"1738\"\u003e\u003cstrong data-start=\"1703\" data-end=\"1738\"\u003e18-gauge stainless steel tubing\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1739\" data-end=\"1774\"\u003e\n\u003cp data-start=\"1741\" data-end=\"1774\"\u003e\u003cstrong data-start=\"1741\" data-end=\"1774\"\u003eCNC-machined manifold flanges\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1775\" data-end=\"1811\"\u003e\n\u003cp data-start=\"1777\" data-end=\"1811\"\u003eFlange thickness: \u003cstrong data-start=\"1795\" data-end=\"1811\"\u003e0.38\" (3\/8\")\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1812\" data-end=\"1869\"\u003e\n\u003cp data-start=\"1814\" data-end=\"1869\"\u003e\u003cstrong data-start=\"1814\" data-end=\"1845\"\u003eMulti-piece slip-fit design\u003c\/strong\u003e for easier installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1870\" data-end=\"1899\"\u003e\n\u003cp data-start=\"1872\" data-end=\"1899\"\u003eIncludes \u003cstrong data-start=\"1881\" data-end=\"1899\"\u003eextension pipe\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1900\" data-end=\"1944\"\u003e\n\u003cp data-start=\"1902\" data-end=\"1944\"\u003eIncludes \u003cstrong data-start=\"1911\" data-end=\"1944\"\u003egaskets and required hardware\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1945\" data-end=\"1974\"\u003e\n\u003cp data-start=\"1947\" data-end=\"1974\"\u003eOne-year limited warranty\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1976\" data-end=\"1999\"\u003e\u003cstrong data-start=\"1980\" data-end=\"1999\"\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2000\" data-end=\"2107\"\u003e\n\u003cli data-start=\"2000\" data-end=\"2030\"\u003e\n\u003cp data-start=\"2002\" data-end=\"2030\"\u003e\u003cstrong data-start=\"2002\" data-end=\"2030\"\u003e2006–2011 Honda Civic Si\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2031\" data-end=\"2058\"\u003e\n\u003cp data-start=\"2033\" data-end=\"2058\"\u003eChassis: \u003cstrong data-start=\"2042\" data-end=\"2058\"\u003eFG \/ FD \/ FA\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2059\" data-end=\"2081\"\u003e\n\u003cp data-start=\"2061\" data-end=\"2081\"\u003e\u003cstrong data-start=\"2061\" data-end=\"2081\"\u003eK20 engines only\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2082\" data-end=\"2107\"\u003e\n\u003cp data-start=\"2084\" data-end=\"2107\"\u003e8th Generation Civic Si\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2109\" data-end=\"2135\"\u003e\u003cstrong data-start=\"2113\" data-end=\"2135\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2136\" data-end=\"2276\"\u003e\n\u003cli data-start=\"2136\" data-end=\"2203\"\u003e\n\u003cp data-start=\"2138\" data-end=\"2203\"\u003eDesigned as a direct replacement for the factory exhaust manifold\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2204\" data-end=\"2276\"\u003e\n\u003cp data-start=\"2206\" data-end=\"2276\"\u003eProfessional installation recommended for best fitment and performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Racing Precision Motorsports","offers":[{"title":"Default Title","offer_id":43962957168700,"sku":"PLM-HFG1-HEADER","price":339.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5934\/4956\/files\/PLM-HFG1-HEADER-4T.webp?v=1770419723","url":"https:\/\/rpm-racing.com\/products\/plm-power-driven-k-series-k20-tri-y-header-honda-civic-si-fg-fd-fa-2006-2011","provider":"Racing Precision Motorsports","version":"1.0","type":"link"}