{"product_id":"infinity-design-carbon-plenum-kit-for-bmw-m3-e9x","title":"Infinity Design Carbon Plenum Kit for BMW M3 E9x","description":"\u003cp\u003e\u003cstrong\u003eDesign\u003c\/strong\u003e\u003cbr\u003eA complete redesign of the OEM plenum.\u003cbr\u003eWe wanted to offer a plenum similar to our S85 which brings something more than just a copy of the OEM plenum.\u003c\/p\u003e\n\u003cp\u003eWith a wall thickness of 1.2mm this carbon plenum unleashes the full sound track of the S65 with full emotion.\u003c\/p\u003e\n\u003cp\u003eFeaturing increased volume at the top frontal section and top cover.\u003c\/p\u003e\n\u003cp\u003eThe system is Modular allowing different lids to be used along with different velocity stacks.\u003c\/p\u003e\n\u003cp\u003eThe supplied default carbon velocity stacks are larger than OEM with a larger opening.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePERFORMANCE TESTING\u003c\/strong\u003e\u003cbr\u003eWhile a performance gain is not really to be expected from a larger volume, we did expect to see some changes from the larger reshaped velocity stacks.\u003c\/p\u003e\n\u003cp\u003eDyno tests were performed under strict controlled conditions on an independent Dynojet machine.\u003c\/p\u003e\n\u003cp\u003eWe tested with our high flow intake system already in place to allow both the OEM plenum and upgraded plenum to perform at their best.\u003c\/p\u003e\n\u003cp\u003eTwo consecutive runs were performed with a consistent power curve and similar power output.\u003c\/p\u003e\n\u003cp\u003e340hp \/ 269 lb.ft\u003cbr\u003e343hp \/ 268 lb.ft\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAfter fitting our upgraded carbon plenum the dyno showed:\u003cbr\u003e\u003c\/strong\u003e350 hp \/ 269 lb.ft\u003cbr\u003e349 hp \/ 269 lb.ft\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncreases:\u003cbr\u003e\u003c\/strong\u003e5-8hp through 5600-6400rpm\u003cbr\u003e8-10hp through 6800-8200rpm\u003c\/p\u003e","brand":"Infinity Design","offers":[{"title":"Gloss","offer_id":55368061944145,"sku":"INF-S65-P-G","price":1950.0,"currency_code":"GBP","in_stock":true},{"title":"Matte","offer_id":55368061976913,"sku":"INF-S65-P-M","price":1950.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1089\/1952\/1617\/files\/1_0b5909f0-ba74-49da-805b-8ec4b43503ee.webp?v=1792421287","url":"https:\/\/wgmotorworks.co.uk\/products\/infinity-design-carbon-plenum-kit-for-bmw-m3-e9x","provider":"WG Motorworks","version":"1.0","type":"link"}