{"product_id":"turblown-cast-rotary-upper-intake-manifold-13b-rx-7","title":"Turblown Cast Rotary Upper Intake Manifold – 13B RX-7","description":"\u003cp\u003eThe \u003cstrong\u003eTurblown Cast Aluminium Upper Intake Manifold\u003c\/strong\u003e is a dyno-developed performance upgrade for modified turbo rotary engines. Designed to improve mid-range and top-end airflow without sacrificing throttle response, Turblown reports typical gains of approximately \u003cstrong\u003e5–10%+ on 400+ rwhp engines\u003c\/strong\u003e, particularly with larger engine ports.\u003c\/p\u003e\n\u003cp\u003eIt bolts directly to the \u003cstrong\u003eOEM FD3S 13B-REW lower intake manifold\u003c\/strong\u003e or aftermarket lower manifolds using the factory FD3S flange. FC3S applications require an adapter and FD3S throttle body.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCast aluminium construction\u003c\/li\u003e\n\u003cli\u003eDyno \u0026amp; track developed\u003c\/li\u003e\n\u003cli\u003eDirect fit to OEM \u003cstrong\u003e13B-REW lower manifold\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible with aftermarket FD-flange lower manifolds\u003c\/li\u003e\n\u003cli\u003eRetains OEM Series 6 idle control motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/8\" NPT\u003c\/strong\u003e GM-style air temperature sensor port\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/8\" NPT\u003c\/strong\u003e water\/methanol injection port\u003c\/li\u003e\n\u003cli\u003e4 vacuum \/ boost reference ports\u003c\/li\u003e\n\u003cli\u003eHardware, plugs \u0026amp; vacuum fittings included\u003c\/li\u003e\n\u003cli\u003eCompetition \/ off-road application\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Does not clear IGN1A coil kits mounted on top of the engine.\u003c\/p\u003e","brand":"Turblown","offers":[{"title":"Polished","offer_id":58731670110592,"sku":"TUR-13B-INT-UIM-POL","price":1597.99,"currency_code":"EUR","in_stock":true},{"title":"Black Powdercoating","offer_id":58731670143360,"sku":"TUR-13B-INT-UIM-BLK","price":1473.99,"currency_code":"EUR","in_stock":false},{"title":"Stock","offer_id":58731670176128,"sku":"TUR-13B-INT-UIM","price":1349.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/2573\/4272\/files\/Resized-IMG-20231213-WA0010_2000x_RSG.jpg?v=1787565607","url":"https:\/\/rotarysecretgarage.com\/products\/turblown-cast-rotary-upper-intake-manifold-13b-rx-7","provider":"Rotary Secret Garage","version":"1.0","type":"link"}