{"product_id":"manta-holden-hq-wb-efi-5l-vn-heads-1-3-4-headers-di-filippo-manta-pro-series","title":"Manta | 1 3\/4″ 4-Into-1 Tuned Extractors with 3″ Outlets | Holden HQ HJ HX HZ WB 5.0L 304 EFI Conversion","description":"\u003ch2\u003eManta 1 3\/4″ 4-Into-1 Tuned Extractors with 3″ Outlets for Holden HQ HJ HX HZ WB 5.0L 304 EFI Conversion\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBoost the performance of your Holden HQ–WB with these precision-engineered 1 3\/4″ 4-into-1 tuned extractors from Manta. Featuring 3″ outlets, they are designed for improved exhaust flow, better scavenging, and increased power in EFI 5.0L 304 V8 conversions.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNote: There could be some modifications required for the fitment of this product. Any non-standard engine mounts, gearboxes, coolers or steering racks may interfere with fitment.\u003c\/p\u003e\n\u003ch2\u003eWarranty\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-family: lucida sans unicode;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003eStainless Steel Systems\u003c\/strong\u003e – 10 years\u003cbr\u003e\u003cstrong\u003eAluminised Systems\u003c\/strong\u003e – 2 years\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eWhy Manta?\u003c\/h2\u003e\n\u003cp\u003eManta is an Australian leader in exhaust performance, engineering, and durability. Every system is designed for optimal fitment, appearance, and sound, built to handle Australian conditions.\u003c\/p\u003e\n\u003ch2\u003eKey Features:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Size:\u003c\/strong\u003e 1 3\/4″\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Size:\u003c\/strong\u003e 3″\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e 4-into-1 tuned extractors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Holden HQ, HJ, HX, HZ, WB EFI 5.0L 304 V8 conversions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Manta\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number (SKU):\u003c\/strong\u003e FX-303\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e Extractors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Size:\u003c\/strong\u003e 1 3\/4″\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Size:\u003c\/strong\u003e 3″\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 4-into-1 tuned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVehicle Fitment Information\u003c\/h2\u003e\n\u003ctable style=\"border: 2px solid black; border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 8px; border: 1px solid black;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid black;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid black;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid black;\"\u003eBody\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid black;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid black;\"\u003eHolden\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid black;\"\u003eHQ, HJ, HX, HZ, WB\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid black;\"\u003e1971–1984\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid black;\"\u003eSedan, Ute, Wagon, Coupe\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid black;\"\u003e5.0L 304 EFI Conversion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eImportant Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe image shown may not reflect the actual product\u003c\/li\u003e\n\u003cli\u003eShipping times may vary depending on destination and stock availability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePayment \u0026amp; Security\u003c\/h2\u003e\n\u003cp\u003eYour payment information is processed securely. We do not store credit card details nor have access to your credit card information.\u003c\/p\u003e","brand":"Manta","offers":[{"title":"Default Title","offer_id":45718587801762,"sku":"FX-303","price":1154.04,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/1112\/4898\/files\/0c98c514-b5b5-6000-a642-96ee43d282f0_0c9d27ad-94e1-600e-9ce7-ce90a33e728b_1_0c9dacfc-7070-6000-b31e-d2a38697cd59.png?v=1753844839","url":"https:\/\/nationaltowbars.com.au\/products\/manta-holden-hq-wb-efi-5l-vn-heads-1-3-4-headers-di-filippo-manta-pro-series","provider":"National Towbars Australia","version":"1.0","type":"link"}