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Manufactured from high quality polished aluminum, the cast aluminum plenum fits carburetors and TBI throttle bodies with a 5-1\/8 inch inlet offering a low profile design for tight hood clearance applications. The plenum is 2.4 inches tall and attaches to dual 4 inch outside diameter aluminum air intake tubes that have a 45 degree downward bend and a 90 degree bend to the front of the vehicle. Always check for proper clearance between the neck of the carburetor\/TBI and the bottom of the hood before closing the hood. Air filters are not included in this kit allowing you to add any clamp-on air filter that will fit onto a 4 inch outside diameter air intake tube. 4 worm gear clamps and two couplers are included.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits carburetors\/throttle bodies with 5-1\/8 neck\u003c\/li\u003e\n\u003cli\u003eEasy to install with commonly available tools\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Spectre","offers":[{"title":"Default Title","offer_id":46556762013780,"sku":"SPE771","price":442.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/2450\/3636\/files\/834d2706cee84ae616d8539486ee8919.jpg?v=1777602532"},{"product_id":"spectre-dual-plenum-kit-ultra-low-120-degree-polished","title":"Spectre Dual Plenum Kit (Ultra Low) 120 Degree - Polished","description":"\u003cp\u003eThe Spectre Polished Aluminum 4 Inch Dual Plenum gives you the ability to design your own custom cold air intake system. With an ultra-low profile design, the dual plenum can fit under many flat hoods and provide a show car look and feel. Engineered for optimum fit and function, the plenum inlets are angled 120 degrees apart. Installation is easy with no special tools or skills required.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEasy to install with no special skills or tools required\u003c\/li\u003e\n\u003cli\u003e1375 cfm Rating\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Spectre","offers":[{"title":"Default Title","offer_id":46556895281236,"sku":"SPE9824","price":303.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/2450\/3636\/files\/7f174c5be5c2d3f698b57c5c52b9ffee.jpg?v=1777602622"},{"product_id":"spectre-plenum-4in-od-x-9in-air-cleaner-to-stud-inlet-single","title":"Spectre Plenum 4in. OD x 9in. (Air Cleaner to Stud Inlet) - Single","description":"\u003cp\u003eThis Spectre Air Intake Plenum has a single inlet with a 4 inch outside diameter. 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All of our air intake components are designed and built using high quality materials and engineered for optimum fit and function.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMeasures 9 inches from air cleaner stud to inlet\u003c\/li\u003e\n\u003cli\u003eCool Air Flows To Engine\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Spectre","offers":[{"title":"Default Title","offer_id":46556903735380,"sku":"SPE9849","price":125.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/2450\/3636\/files\/d71ed218d03899749c1fc720b832609d.jpg?v=1777602624"},{"product_id":"spectre-plenum-single-low-profile","title":"Spectre Plenum - Single (Low Profile)","description":"\u003cp\u003eSpectre's polished cast aluminum low profile plenum has a 4 inch inlet. It is 2.4 inches tall between the carburetor and the bottom of the hood which makes it great for low clearance applications. 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