{"product_id":"hood-louvers-1","title":"Hood Louvers","description":"\u003cp\u003e\u003cspan\u003eFeatures:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHuge cooling improvement\u003c\/strong\u003e\u003cstrong\u003e. \u003cspan\u003eSee graph in photos and track test details below\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGreatly reduced air intake heatsoaking\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSpecifically designed for the NA Miata,\u003cstrong\u003e all hood bracing retained\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntegrated gurney flaps increase the pressure difference for better air flow\u003c\/li\u003e\n\u003cli\u003eBig surface area covered, outperforming smaller surface area hood louvers in the market.\u003c\/li\u003e\n\u003cli\u003eAir is vented out \u003cspan\u003ein line\u003c\/span\u003e with the airflow of the car, \u003cspan\u003enot at an angle\u003c\/span\u003e. Other louvers where \u003cspan\u003eairflows collide at an angle create vortexes and drag\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eMade from 2mm thick aluminium, and with durable black powder coating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhat's included:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBuy only the pieces that you need for your build!\u003c\/li\u003e\n\u003cli\u003eDouble layer powder coat (metallic base coat and clear coat)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBlack rivets\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFree Shipping worldwide!\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTrack tests:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eCar used was a 270HP NBFL, turbocharged with IHI VF35 turbo on 1.8 VVT engine at 10:1 CR, with custom compressor wheel. \u003cspan\u003e Photos: \u003c\/span\u003e\u003cspan\u003e\u003ca href=\"https:\/\/dcnperformance.com\/wp-content\/uploads\/2021\/09\/engine.jpg\" target=\"_blank\"\u003eEngine Bay\u003c\/a\u003e, \u003ca href=\"https:\/\/dcnperformance.com\/wp-content\/uploads\/2021\/09\/dyno.jpg\" target=\"_blank\"\u003eDyno\u003c\/a\u003e\u003c\/span\u003e\u003cbr\u003eTrack used was \u003cspan\u003e\u003ca href=\"https:\/\/dcnperformance.com\/wp-content\/uploads\/2021\/09\/castelleto.jpg\" target=\"_blank\"\u003eCastelleto Circuit\u003c\/a\u003e\u003c\/span\u003e (2km track length), with environmental temperature of 26°C (78°F). The short track forces low speeds, putting even more strain on the cooling system.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eResults:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eWithout louvers:\u003c\/strong\u003e Temperature rises quickly and the car overheats on 3rd lap. ECU rev limiter at 4500 RPM is triggered for engine protection. After a cooling lap (lap 4) the car again quickly overheats on lap 5 and is forced to take cooling laps for the rest of the run.\u003cbr\u003e\u003cstrong\u003eMinimum intake temperature recorded: 54°C\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWith louvers:\u003c\/strong\u003e Temperatures rise much more slowly, and stabilise below overheating limit. Temperature equilibrium of 103°C was reached on lap 6, after which temperatures remained stable for the rest of the run. Since temperatures never reached 105°C, ECU rev limiter was not triggered and the car was able to keep going at full power for the full run.\u003cbr\u003e\u003cstrong\u003eMinimum intake temperature recorded: 43°C\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMore track data will be posted as it becomes available. Testing will be continued in future track events\u003cbr\u003eIf you wish to help with track data collection, contact us at: info@dcnperformance.com\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis product fits first generation MX-5 (NA)\u003c\/p\u003e","brand":"NA Miata","offers":[{"title":"Full 7 Louver Set","offer_id":55851227513161,"sku":"DCN-NA-HD-LVR-1","price":204.0,"currency_code":"EUR","in_stock":true},{"title":"3 Front Louvers","offer_id":55851227545929,"sku":"DCN-NA-HD-LVR-2","price":118.0,"currency_code":"EUR","in_stock":true},{"title":"2 Side Louvers","offer_id":55905604862281,"sku":null,"price":128.0,"currency_code":"EUR","in_stock":true},{"title":"4 Side Louvers (left and right side)","offer_id":55905604895049,"sku":null,"price":178.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/5961\/5561\/files\/hood_louvers_vents_miata_mx-5_mazda_gurney_flap_track_race_dcn_performance_25.webp?v=1793880333","url":"https:\/\/dcnperformance.com\/products\/hood-louvers-1","provider":"DCNPerformance","version":"1.0","type":"link"}