{"product_id":"plm-power-driven-k-series-4-2-1-header-for-2004-2008-acura-tsx-2003-2007-euro-accord-cl7-cl9-sku-plm-hk24-cl9-header","title":"PLM Power Driven K-Series 4-2-1 Header for 2004–2008 Acura TSX \/ 2003–2007 Euro Accord CL7 CL9  SKU: PLM-HK24-CL9-HEADER","description":"\u003ch2 data-start=\"194\" data-end=\"295\"\u003e\u003cstrong data-start=\"197\" data-end=\"295\"\u003ePLM Power Driven K-Series 4-2-1 Header for 2004–2008 Acura TSX \/ 2003–2007 Euro Accord CL7 CL9\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"297\" data-end=\"325\"\u003e\u003cstrong data-start=\"297\" data-end=\"305\"\u003eSKU:\u003c\/strong\u003e PLM-HK24-CL9-HEADER\u003c\/p\u003e\n\u003ch3 data-start=\"327\" data-end=\"354\"\u003e\u003cstrong data-start=\"331\" data-end=\"354\"\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"355\" data-end=\"818\"\u003eThe PLM Power Driven K-Series 4-2-1 Header is engineered specifically for the 2004–2008 Acura TSX and 2003–2007 Euro-spec Honda Accord CL7\/CL9, delivering a proven increase in performance where it matters most. Designed with a long-tube Tri-Y (4-2-1) configuration, this header improves exhaust scavenging to maximize low- and mid-range torque while maintaining strong top-end power—making it ideal for both spirited street driving and performance-focused builds.\u003c\/p\u003e\n\u003cp data-start=\"820\" data-end=\"1224\"\u003eConstructed from high-quality 304 stainless steel, this header features precision mandrel-bent tubing, a CNC-machined manifold flange, and a true 2.5-inch collector for optimal exhaust flow. The thick 3\/8-inch flange ensures a proper seal and long-term reliability under high heat conditions. A two-piece design allows for easier installation and improved fitment compared to one-piece long-tube headers.\u003c\/p\u003e\n\u003cp data-start=\"1226\" data-end=\"1432\"\u003eAs one of PLM’s best-selling K-Series headers, this Power Driven model is a trusted choice among enthusiasts looking for a bolt-on performance upgrade with excellent value, durability, and real-world gains.\u003c\/p\u003e\n\u003ch3 data-start=\"1434\" data-end=\"1454\"\u003e\u003cstrong data-start=\"1438\" data-end=\"1454\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1455\" data-end=\"1864\"\u003e\n\u003cli data-start=\"1455\" data-end=\"1500\"\u003e\n\u003cp data-start=\"1457\" data-end=\"1500\"\u003eLong-tube \u003cstrong data-start=\"1467\" data-end=\"1484\"\u003eTri-Y (4-2-1)\u003c\/strong\u003e header design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1501\" data-end=\"1545\"\u003e\n\u003cp data-start=\"1503\" data-end=\"1545\"\u003eConstructed from \u003cstrong data-start=\"1520\" data-end=\"1543\"\u003e304 stainless steel\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1546\" data-end=\"1603\"\u003e\n\u003cp data-start=\"1548\" data-end=\"1603\"\u003eTrue \u003cstrong data-start=\"1553\" data-end=\"1575\"\u003e2.5-inch collector\u003c\/strong\u003e for improved exhaust flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1604\" data-end=\"1636\"\u003e\n\u003cp data-start=\"1606\" data-end=\"1636\"\u003eCNC-machined manifold flange\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1637\" data-end=\"1687\"\u003e\n\u003cp data-start=\"1639\" data-end=\"1687\"\u003e\u003cstrong data-start=\"1639\" data-end=\"1664\"\u003e3\/8-inch thick flange\u003c\/strong\u003e for superior sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1688\" data-end=\"1737\"\u003e\n\u003cp data-start=\"1690\" data-end=\"1737\"\u003e18-gauge stainless steel tubing (.049\"–.050\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1738\" data-end=\"1782\"\u003e\n\u003cp data-start=\"1740\" data-end=\"1782\"\u003eTwo-piece design for easier installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1783\" data-end=\"1813\"\u003e\n\u003cp data-start=\"1785\" data-end=\"1813\"\u003eFully bolt-on installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1814\" data-end=\"1864\"\u003e\n\u003cp data-start=\"1816\" data-end=\"1864\"\u003eDesigned for enhanced low- and mid-range power\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1866\" data-end=\"1889\"\u003e\u003cstrong data-start=\"1870\" data-end=\"1889\"\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1890\" data-end=\"1984\"\u003e\n\u003cli data-start=\"1890\" data-end=\"1929\"\u003e\n\u003cp data-start=\"1892\" data-end=\"1929\"\u003e\u003cstrong data-start=\"1892\" data-end=\"1927\"\u003e2004–2008 Acura TSX (CL7 \/ CL9)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1930\" data-end=\"1984\"\u003e\n\u003cp data-start=\"1932\" data-end=\"1984\"\u003e\u003cstrong data-start=\"1932\" data-end=\"1982\"\u003e2003–2007 Honda Accord – Euro Spec (CL7 \/ CL9)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1986\" data-end=\"1996\"\u003e\u003cstrong data-start=\"1986\" data-end=\"1996\"\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1997\" data-end=\"2045\"\u003e\n\u003cli data-start=\"1997\" data-end=\"2045\"\u003e\n\u003cp data-start=\"1999\" data-end=\"2045\"\u003eDoes \u003cstrong data-start=\"2004\" data-end=\"2011\"\u003eNOT\u003c\/strong\u003e fit US-spec Honda Accord models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2047\" data-end=\"2073\"\u003e\u003cstrong data-start=\"2051\" data-end=\"2073\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2074\" data-end=\"2320\"\u003e\n\u003cli data-start=\"2074\" data-end=\"2118\"\u003e\n\u003cp data-start=\"2076\" data-end=\"2118\"\u003eDesigned for direct bolt-on installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2119\" data-end=\"2160\"\u003e\n\u003cp data-start=\"2121\" data-end=\"2160\"\u003eProfessional installation recommended\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2161\" data-end=\"2239\"\u003e\n\u003cp data-start=\"2163\" data-end=\"2239\"\u003eAftermarket catalytic converter may be required depending on exhaust setup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2240\" data-end=\"2320\"\u003e\n\u003cp data-start=\"2242\" data-end=\"2320\"\u003eIntended for off-road or racing use where applicable—check local regulations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Racing Precision Motorsports","offers":[{"title":"Default Title","offer_id":43959620173884,"sku":"PLM-HK24-CL9-HEADER","price":429.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5934\/4956\/files\/PLM-HK24-HEADER-2T.webp?v=1770339506","url":"https:\/\/rpm-racing.com\/products\/plm-power-driven-k-series-4-2-1-header-for-2004-2008-acura-tsx-2003-2007-euro-accord-cl7-cl9-sku-plm-hk24-cl9-header","provider":"Racing Precision Motorsports","version":"1.0","type":"link"}