{"product_id":"plm-power-driven-h-series-hood-exit-race-header-4-1-megaphone-h22-h22a-f20b-h2b","title":"PLM Power Driven H-Series Hood Exit Race Header 4-1 Megaphone – H22 \/ H22A \/ F20B \/ H2B","description":"\u003ch2 data-start=\"70\" data-end=\"136\"\u003e\n\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003ePLM Power Driven H-Series Hood Exit Race Header 4-1 Megaphone\u003c\/span\u003e\u003c\/span\u003e – H22 \/ H22A \/ F20B \/ H2B\u003c\/h2\u003e\n\u003cp data-start=\"138\" data-end=\"174\"\u003e\u003cstrong data-start=\"138\" data-end=\"146\"\u003eSKU:\u003c\/strong\u003e PLM-HH-HOOD-HEADER-SHIELD\u003c\/p\u003e\n\u003cp data-start=\"176\" data-end=\"413\"\u003eBuilt for all-out performance and aggressive track presence, the PLM Power Driven H-Series Hood Exit Race Header is engineered for serious racers and H-series enthusiasts who demand maximum exhaust flow and uncompromising power delivery.\u003c\/p\u003e\n\u003cp data-start=\"415\" data-end=\"791\"\u003eFeaturing a true \u003cstrong data-start=\"432\" data-end=\"455\"\u003e4-1 merge collector\u003c\/strong\u003e paired with a megaphone-style reverse cone outlet, this header is designed to optimize scavenging, increase high-RPM efficiency, and deliver the raw sound and performance expected from a dedicated race setup. The hood-exit configuration eliminates exhaust routing restrictions, creating the most direct path possible for exhaust gases.\u003c\/p\u003e\n\u003cp data-start=\"793\" data-end=\"880\"\u003eThis is a purpose-built motorsport component designed for off-road and competition use.\u003c\/p\u003e\n\u003chr data-start=\"882\" data-end=\"885\"\u003e\n\u003ch3 data-start=\"887\" data-end=\"914\"\u003ePerformance Engineering\u003c\/h3\u003e\n\u003cul data-start=\"916\" data-end=\"1151\"\u003e\n\u003cli data-start=\"916\" data-end=\"951\"\u003e\n\u003cp data-start=\"918\" data-end=\"951\"\u003eTrue 4-1 merge collector design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"952\" data-end=\"1009\"\u003e\n\u003cp data-start=\"954\" data-end=\"1009\"\u003eReverse cone megaphone outlet for improved scavenging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1048\"\u003e\n\u003cp data-start=\"1012\" data-end=\"1048\"\u003eMaximized high-RPM power potential\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1049\" data-end=\"1106\"\u003e\n\u003cp data-start=\"1051\" data-end=\"1106\"\u003eDirect hood-exit layout for unrestricted exhaust flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1107\" data-end=\"1151\"\u003e\n\u003cp data-start=\"1109\" data-end=\"1151\"\u003eTwo-piece design for easier installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1153\" data-end=\"1156\"\u003e\n\u003ch3 data-start=\"1158\" data-end=\"1182\"\u003ePremium Construction\u003c\/h3\u003e\n\u003cul data-start=\"1184\" data-end=\"1416\"\u003e\n\u003cli data-start=\"1184\" data-end=\"1215\"\u003e\n\u003cp data-start=\"1186\" data-end=\"1215\"\u003e304 brushed stainless steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1216\" data-end=\"1251\"\u003e\n\u003cp data-start=\"1218\" data-end=\"1251\"\u003e18-gauge stainless steel tubing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1252\" data-end=\"1299\"\u003e\n\u003cp data-start=\"1254\" data-end=\"1299\"\u003eHand TIG welded for strength and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1300\" data-end=\"1342\"\u003e\n\u003cp data-start=\"1302\" data-end=\"1342\"\u003ePrecision CNC-machined manifold flange\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1343\" data-end=\"1378\"\u003e\n\u003cp data-start=\"1345\" data-end=\"1378\"\u003eIncludes OEM-spec header gasket\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1379\" data-end=\"1416\"\u003e\n\u003cp data-start=\"1381\" data-end=\"1416\"\u003eIncludes exhaust heat shield trim\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1418\" data-end=\"1421\"\u003e\n\u003ch3 data-start=\"1423\" data-end=\"1447\"\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul data-start=\"1449\" data-end=\"1507\"\u003e\n\u003cli data-start=\"1449\" data-end=\"1456\"\u003e\n\u003cp data-start=\"1451\" data-end=\"1456\"\u003eH22\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1457\" data-end=\"1465\"\u003e\n\u003cp data-start=\"1459\" data-end=\"1465\"\u003eH22A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1466\" data-end=\"1474\"\u003e\n\u003cp data-start=\"1468\" data-end=\"1474\"\u003eF20B\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1475\" data-end=\"1493\"\u003e\n\u003cp data-start=\"1477\" data-end=\"1493\"\u003eH-Series swaps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1494\" data-end=\"1507\"\u003e\n\u003cp data-start=\"1496\" data-end=\"1507\"\u003eH2B swaps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1509\" data-end=\"1512\"\u003e\n\u003ch3 data-start=\"1514\" data-end=\"1538\"\u003eVehicle Applications\u003c\/h3\u003e\n\u003cul data-start=\"1540\" data-end=\"1887\"\u003e\n\u003cli data-start=\"1540\" data-end=\"1607\"\u003e\n\u003cp data-start=\"1542\" data-end=\"1607\"\u003e1992–2000 \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eHonda Civic\u003c\/span\u003e\u003c\/span\u003e (H-Series swap)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1608\" data-end=\"1659\"\u003e\n\u003cp data-start=\"1610\" data-end=\"1659\"\u003e1993–1997 \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eHonda Del Sol\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1660\" data-end=\"1711\"\u003e\n\u003cp data-start=\"1662\" data-end=\"1711\"\u003e1994–2001 \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eAcura Integra\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1712\" data-end=\"1799\"\u003e\n\u003cp data-start=\"1714\" data-end=\"1799\"\u003e1988–1991 \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eHonda CRX\u003c\/span\u003e\u003c\/span\u003e (aftermarket traction bar required)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1800\" data-end=\"1887\"\u003e\n\u003cp data-start=\"1802\" data-end=\"1887\"\u003e1990–1993 \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eAcura Integra\u003c\/span\u003e\u003c\/span\u003e (aftermarket traction bar required)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1889\" data-end=\"1892\"\u003e\n\u003ch3 data-start=\"1894\" data-end=\"1916\"\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul data-start=\"1918\" data-end=\"2166\"\u003e\n\u003cli data-start=\"1918\" data-end=\"1963\"\u003e\n\u003cp data-start=\"1920\" data-end=\"1963\"\u003eHalf-core radiator with slim fan required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1964\" data-end=\"2020\"\u003e\n\u003cp data-start=\"1966\" data-end=\"2020\"\u003eModification needed to retain A\/C and power steering\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2021\" data-end=\"2053\"\u003e\n\u003cp data-start=\"2023\" data-end=\"2053\"\u003eO2 sensor extension required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2054\" data-end=\"2115\"\u003e\n\u003cp data-start=\"2056\" data-end=\"2115\"\u003eOlder EF and DA chassis require aftermarket traction bars\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2116\" data-end=\"2166\"\u003e\n\u003cp data-start=\"2118\" data-end=\"2166\"\u003eProfessional installation strongly recommended\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2168\" data-end=\"2171\"\u003e\n\u003ch3 data-start=\"2173\" data-end=\"2193\"\u003eImportant Notice\u003c\/h3\u003e\n\u003cul data-start=\"2195\" data-end=\"2307\"\u003e\n\u003cli data-start=\"2195\" data-end=\"2227\"\u003e\n\u003cp data-start=\"2197\" data-end=\"2227\"\u003e\u003cstrong data-start=\"2197\" data-end=\"2225\"\u003eOff-road \/ race use only\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2228\" data-end=\"2246\"\u003e\n\u003cp data-start=\"2230\" data-end=\"2246\"\u003eNot CARB legal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2247\" data-end=\"2307\"\u003e\n\u003cp data-start=\"2249\" data-end=\"2307\"\u003eNot intended for street use in emissions-regulated areas\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2309\" data-end=\"2312\"\u003e\n\u003cp data-start=\"2314\" data-end=\"2511\"\u003eIf you’re building a serious H-series race car and want maximum airflow, aggressive styling, and true track-ready performance, the PLM Hood Exit 4-1 Megaphone Header delivers uncompromised results.\u003c\/p\u003e","brand":"Racing Precision Motorsports","offers":[{"title":"Default Title","offer_id":43993084690492,"sku":"PLM-HH-HOOD-HEADER-SHIELD","price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5934\/4956\/files\/PLM-HH-HOOD-HEADER-4T.webp?v=1771458504","url":"https:\/\/rpm-racing.com\/products\/plm-power-driven-h-series-hood-exit-race-header-4-1-megaphone-h22-h22a-f20b-h2b","provider":"Racing Precision Motorsports","version":"1.0","type":"link"}