{"product_id":"b-g-racing-dual-layer-air-ducting-hose-black","title":"B-G Racing Dual Layer Air Ducting Hose — Black (4m)","description":"\u003ch2\u003eB-G Racing Dual Layer Air Ducting Hose — Black (4m)\u003c\/h2\u003e\n\n\u003cp\u003eThe B-G Racing Dual Layer Air Ducting Hose is a high-temperature flexible ducting hose designed for motorsport brake cooling, radiator cooling, and intercooler ducting applications. The black dual-layer construction offers the same high-temperature performance as the B-G Racing orange ducting hose — the black finish suits installations where aesthetics matter or where the hose is visible in the engine bay or wheel arch.\u003c\/p\u003e\n\n\u003cp\u003eAt 4 metres (13.1 feet) per length, there is ample hose to route from the front splitter or bumper duct to the brake caliper or radiator inlet, with enough to trim to length on both ends. Available in four diameters to suit a wide range of applications from kart brake cooling through to large-diameter radiator ducting on circuit and rally cars.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-temperature dual-layer construction\u003c\/strong\u003e — same heat rating as the B-G Racing orange ducting hose; suitable for direct brake cooling applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible and lightweight\u003c\/strong\u003e — easy to route through tight spaces in wheel arches and engine bays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 metres (13.1 ft) per length\u003c\/strong\u003e — trim to suit your installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack finish\u003c\/strong\u003e — clean appearance for visible installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour diameters available:\u003c\/strong\u003e\n  \u003cul\u003e\n    \u003cli\u003e1.5\" (38mm) — ideal for kart and small car brake cooling\u003c\/li\u003e\n    \u003cli\u003e2\" (51mm) — popular for circuit car brake cooling ducts\u003c\/li\u003e\n    \u003cli\u003e3\" (76mm) — suits larger brake cooling and intercooler ducting\u003c\/li\u003e\n    \u003cli\u003e4\" (102mm) — large-diameter radiator and intercooler ducting\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrake caliper and rotor cooling ducts\u003c\/li\u003e\n\u003cli\u003eRadiator inlet ducting\u003c\/li\u003e\n\u003cli\u003eIntercooler and oil cooler ducting\u003c\/li\u003e\n\u003cli\u003eDifferential and gearbox cooling\u003c\/li\u003e\n\u003cli\u003eGeneral motorsport air management\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHarris Race Radios — NZ \u0026amp; AU's Most Experienced B-G Racing Specialists\u003c\/h2\u003e\n\u003cp\u003eHarris Race Radios is the Exclusive NZ \u0026amp; AU dealer and distributor for B-G Racing, supplying genuine B-G Racing equipment directly through B-G's supply chain. We hold NZ stock for fast local dispatch, with direct shipping to Australia.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRex Harris\u003c\/strong\u003e is a qualified Radio Telecommunications Engineer and Approved Radio Certifier with motorsport involvement since 1975. \u003cstrong\u003eAaron Harris\u003c\/strong\u003e is an active racing driver and race engineer — Barcelona 24 Hour class winner (2013), Bathurst 1000 and 12 Hour competitor, BMW Race Driver Series Champion (2011), and race engineer for Earl Bamber Motorsport, TekworkX, Matt Stone Racing, and Porsche Carrera Cup Australia\/Asia-Pacific\/NZ. Aaron is also an MSNZ Licence Examiner for helmets, racewear, FHR, and HANS devices.\u003c\/p\u003e\n\n\u003cp\u003eFor advice on sizing and routing, contact Aaron directly: \u003ca href=\"tel:+64274499654\"\u003e+64 27 449 9654\u003c\/a\u003e or \u003ca href=\"mailto:aaron@harriscomms.co.nz\"\u003eaaron@harriscomms.co.nz\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eIs the black hose the same temperature rating as the orange B-G Racing ducting hose?\u003c\/h3\u003e\n\u003cp\u003eYes — the black dual-layer hose has the same high-temperature rating as the B-G Racing orange ducting hose. Both are suitable for direct brake cooling applications where the hose is exposed to significant heat.\u003c\/p\u003e\n\n\u003ch3\u003eWhat diameter do I need for brake cooling?\u003c\/h3\u003e\n\u003cp\u003eFor most circuit cars, 2\" (51mm) is the most common brake cooling duct diameter. Larger cars or those with significant brake heat (GT, touring car, endurance) may benefit from 3\" (76mm). Karts and small formula cars typically use 1.5\" (38mm).\u003c\/p\u003e\n\n\u003ch3\u003eCan I cut the hose to length?\u003c\/h3\u003e\n\u003cp\u003eYes — the hose is supplied in a 4 metre (13.1 ft) length and can be cut to suit your installation with a sharp knife or scissors.\u003c\/p\u003e\n\n\u003ch3\u003eIs this available in NZ and Australia?\u003c\/h3\u003e\n\u003cp\u003eYes. Harris Race Radios is the Exclusive NZ \u0026amp; AU dealer and distributor for B-G Racing, with NZ stock for fast local dispatch and direct shipping to Australia.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"B-G Racing Dual Layer Air Ducting Hose — Black (4m)\",\n  \"description\": \"High-temperature black dual layer air ducting hose for motorsport brake cooling, radiator and intercooler ducting. 4 metres long. Available in 1.5\\\" (38mm), 2\\\" (51mm), 3\\\" (76mm) and 4\\\" (102mm) diameters. 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Both are suitable for direct brake cooling applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What diameter do I need for brake cooling?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For most circuit cars, 2\\\" (51mm) is the most common brake cooling duct diameter. Larger cars may benefit from 3\\\" (76mm). Karts and small formula cars typically use 1.5\\\" (38mm).\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I cut the hose to length?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — the hose is supplied in a 4 metre (13.1 ft) length and can be cut to suit your installation.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this available in NZ and Australia?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. 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