{"product_id":"skunk2-ultra-race-billet-centerfeed-intake-manifold-honda-b-series","title":"Skunk2 Ultra Race Billet Centerfeed Intake Manifold – Honda B Series","description":"\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"aafd8bc1-c6af-4106-bf8c-c2c4dc7da65b\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003ch3 data-section-id=\"1oczqs4\" data-start=\"0\" data-end=\"76\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"4\" data-end=\"76\"\u003eSkunk2 Ultra Race Billet Centerfeed Intake Manifold – Honda B Series\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"78\" data-end=\"109\"\u003e\u003cstrong data-start=\"78\" data-end=\"94\"\u003ePart Number:\u003c\/strong\u003e X307-05-0200\u003c\/p\u003e\n\u003chr data-start=\"111\" data-end=\"114\"\u003e\n\u003ch3 data-section-id=\"1dvqnf5\" data-start=\"116\" data-end=\"146\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"120\" data-end=\"144\"\u003eProduct Description:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"147\" data-end=\"615\"\u003eThe \u003cstrong data-start=\"151\" data-end=\"206\"\u003eSkunk2 Ultra Race Billet Centerfeed Intake Manifold\u003c\/strong\u003e for Honda B-Series engines is engineered for extreme high-horsepower street and race applications requiring maximum airflow, fuel delivery, and tuning versatility. Developed from the proven Ultra Series platform, this billet version features a \u003cstrong data-start=\"451\" data-end=\"505\"\u003etop-side 8-injector single fuel rail configuration\u003c\/strong\u003e with a centerfeed plenum layout designed specifically for serious forced induction and all-motor race builds.\u003c\/p\u003e\n\u003cp data-start=\"617\" data-end=\"927\"\u003ePrecision CNC-machined billet tapered runners combined with a large modular plenum provide exceptional airflow characteristics optimized for maximum top-end power. Each manifold design has been developed using CFD analysis and extensive dyno testing to ensure superior airflow efficiency and performance gains.\u003c\/p\u003e\n\u003cp data-start=\"929\" data-end=\"1268\"\u003eThe Ultra Race manifold utilizes short high-volume tapered runners with trumpet-profile entries to maximize airflow velocity and high RPM performance. Its modular plenum system allows plenum volume adjustments using optional spacers while also enabling additional runner porting for increased airflow capacity and custom race applications.\u003c\/p\u003e\n\u003cp data-start=\"1270\" data-end=\"1516\"\u003eDesigned for racers and builders pushing the limits of the Honda B-Series platform, the Skunk2 Ultra Race Billet Centerfeed Intake Manifold delivers race-proven performance with premium billet construction and an aggressive engine bay appearance.\u003c\/p\u003e\n\u003chr data-start=\"1518\" data-end=\"1521\"\u003e\n\u003ch3 data-section-id=\"37mg0c\" data-start=\"1523\" data-end=\"1546\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1527\" data-end=\"1544\"\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1547\" data-end=\"2278\"\u003e\n\u003cli data-section-id=\"22xk6f\" data-start=\"1547\" data-end=\"1614\"\u003eGenuine \u003cstrong data-start=\"1557\" data-end=\"1612\"\u003eSkunk2 Ultra Race Billet Centerfeed Intake Manifold\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"j8xwzy\" data-start=\"1615\" data-end=\"1675\"\u003eDesigned for high-horsepower Honda B-Series applications\u003c\/li\u003e\n\u003cli data-section-id=\"1i3u5l7\" data-start=\"1676\" data-end=\"1738\"\u003eCenterfeed plenum design for improved airflow distribution\u003c\/li\u003e\n\u003cli data-section-id=\"1px1qx4\" data-start=\"1739\" data-end=\"1789\"\u003eSingle rail top-mount 8-injector configuration\u003c\/li\u003e\n\u003cli data-section-id=\"1hysm70\" data-start=\"1790\" data-end=\"1836\"\u003eCNC-machined billet tapered intake runners\u003c\/li\u003e\n\u003cli data-section-id=\"1a216hl\" data-start=\"1837\" data-end=\"1901\"\u003eTrumpet-profile runner entries for enhanced airflow velocity\u003c\/li\u003e\n\u003cli data-section-id=\"67dymt\" data-start=\"1902\" data-end=\"1942\"\u003eModular removable cast plenum design\u003c\/li\u003e\n\u003cli data-section-id=\"1xr8h85\" data-start=\"1943\" data-end=\"1994\"\u003eAdjustable plenum volume using optional spacers\u003c\/li\u003e\n\u003cli data-section-id=\"1oaevc6\" data-start=\"1995\" data-end=\"2047\"\u003ePortable runners for additional airflow capacity\u003c\/li\u003e\n\u003cli data-section-id=\"1m1l5kj\" data-start=\"2048\" data-end=\"2088\"\u003eOptimized using CFD and dyno testing\u003c\/li\u003e\n\u003cli data-section-id=\"171qhmr\" data-start=\"2089\" data-end=\"2124\"\u003eLarge 90mm throttle body flange\u003c\/li\u003e\n\u003cli data-section-id=\"17vz1mq\" data-start=\"2125\" data-end=\"2173\"\u003eStandard Ford 5.0 throttle body bolt pattern\u003c\/li\u003e\n\u003cli data-section-id=\"15mh3yt\" data-start=\"2174\" data-end=\"2217\"\u003eIncludes thermal intake manifold gasket\u003c\/li\u003e\n\u003cli data-section-id=\"g13h2e\" data-start=\"2218\" data-end=\"2278\"\u003eIdeal for turbocharged and competitive race applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2280\" data-end=\"2283\"\u003e\n\u003ch3 data-section-id=\"5xk9z4\" data-start=\"2285\" data-end=\"2316\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2289\" data-end=\"2314\"\u003ePerformance Benefits:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2317\" data-end=\"2623\"\u003e\n\u003cli data-section-id=\"kliro5\" data-start=\"2317\" data-end=\"2357\"\u003eExceptional top-end horsepower gains\u003c\/li\u003e\n\u003cli data-section-id=\"1opj7zx\" data-start=\"2358\" data-end=\"2408\"\u003eIncreased airflow and fuel delivery capability\u003c\/li\u003e\n\u003cli data-section-id=\"11i5xfz\" data-start=\"2409\" data-end=\"2450\"\u003eOptimized high-RPM engine performance\u003c\/li\u003e\n\u003cli data-section-id=\"1m4kh43\" data-start=\"2451\" data-end=\"2504\"\u003eImproved tuning flexibility for race applications\u003c\/li\u003e\n\u003cli data-section-id=\"1qsexi7\" data-start=\"2505\" data-end=\"2561\"\u003eSupports large injectors and aggressive boost levels\u003c\/li\u003e\n\u003cli data-section-id=\"12dlw9n\" data-start=\"2562\" data-end=\"2623\"\u003ePremium billet construction for durability and appearance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2625\" data-end=\"2628\"\u003e\n\u003ch3 data-section-id=\"267exh\" data-start=\"2630\" data-end=\"2648\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2634\" data-end=\"2646\"\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2649\" data-end=\"2711\"\u003eCompatible with Honda and Acura B-Series engines, including:\u003c\/p\u003e\n\u003cul data-start=\"2713\" data-end=\"2825\"\u003e\n\u003cli data-section-id=\"1ufdect\" data-start=\"2713\" data-end=\"2741\"\u003e\u003cstrong data-start=\"2715\" data-end=\"2739\"\u003eB16A \/ B16A2 \/ B16A3\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1htmcgs\" data-start=\"2742\" data-end=\"2755\"\u003e\u003cstrong data-start=\"2744\" data-end=\"2753\"\u003eB17A1\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"wtv8uu\" data-start=\"2756\" data-end=\"2776\"\u003e\u003cstrong data-start=\"2758\" data-end=\"2774\"\u003eB18B \/ B18B1\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"152g6sk\" data-start=\"2777\" data-end=\"2805\"\u003e\u003cstrong data-start=\"2779\" data-end=\"2803\"\u003eB18C \/ B18C1 \/ B18C5\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1gi6bb3\" data-start=\"2806\" data-end=\"2825\"\u003e\u003cstrong data-start=\"2808\" data-end=\"2823\"\u003eB20B \/ B20Z\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2827\" data-end=\"2860\"\u003eFits popular chassis including:\u003c\/p\u003e\n\u003cul data-start=\"2861\" data-end=\"2996\"\u003e\n\u003cli data-section-id=\"15t02sd\" data-start=\"2861\" data-end=\"2893\"\u003e\u003cstrong data-start=\"2863\" data-end=\"2891\"\u003eHonda Civic EF \/ EG \/ EK\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"yseygd\" data-start=\"2894\" data-end=\"2911\"\u003e\u003cstrong data-start=\"2896\" data-end=\"2909\"\u003eHonda CRX\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"b1ps8w\" data-start=\"2912\" data-end=\"2948\"\u003e\u003cstrong data-start=\"2914\" data-end=\"2946\"\u003eAcura Integra DA \/ DC2 \/ DB8\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1cvydo0\" data-start=\"2949\" data-end=\"2996\"\u003eOther Honda\/Acura B-Series swapped vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2998\" data-end=\"3001\"\u003e\n\u003ch3 data-section-id=\"17sflxf\" data-start=\"3003\" data-end=\"3032\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3007\" data-end=\"3030\"\u003eInstallation Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"3033\" data-end=\"3342\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"mdmfqb\" data-start=\"3033\" data-end=\"3095\"\u003eIntended for high-performance street and race applications\u003c\/li\u003e\n\u003cli data-section-id=\"uv76g0\" data-start=\"3096\" data-end=\"3155\"\u003eProfessional installation and engine tuning recommended\u003c\/li\u003e\n\u003cli data-section-id=\"1eauvp2\" data-start=\"3156\" data-end=\"3207\"\u003eAdditional fuel system upgrades may be required\u003c\/li\u003e\n\u003cli data-section-id=\"dx8dpy\" data-start=\"3208\" data-end=\"3283\"\u003eCompatible with large throttle body setups utilizing 90mm flange design\u003c\/li\u003e\n\u003cli data-section-id=\"1f98zcn\" data-start=\"3284\" data-end=\"3342\" data-is-last-node=\"\"\u003eLimited production billet manifold availability may vary\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Racing Precision Motorsports","offers":[{"title":"Default Title","offer_id":45134457569340,"sku":"X307-05-0200","price":1479.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5934\/4956\/files\/x307-05-0200_1_93d59afe-aefe-49c1-bd71-9804230f176a.png?v=1778187032","url":"https:\/\/rpm-racing.com\/products\/skunk2-ultra-race-billet-centerfeed-intake-manifold-honda-b-series","provider":"Racing Precision Motorsports","version":"1.0","type":"link"}