{"product_id":"ss304-3-0mm-exhaust-manifold-for-135i-335i-z4-n54-e82-e87-e81-e90-e91-e92","title":"VCTR Performance BMW 135i\/335i N54 Exhaust Manifold T3 SS304","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe N54's factory exhaust manifolds restrict flow from each turbo bank at the cylinder head. This 3.0mm SS304 stainless manifold replaces the factory units with thicker, more durable construction and improved flow geometry — reducing restriction at the very first point in the exhaust path.\u003c\/p\u003e\n\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eImproved exhaust flow geometry over the factory manifolds\u003c\/li\u003e\n\u003cli\u003e3.0mm wall thickness — significantly more durable than factory\u003c\/li\u003e\n\u003cli\u003eReduced restriction from both N54 turbo banks\u003c\/li\u003e\n\u003cli\u003eSS304 stainless steel construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuilt for the Drive, Not Just the Dyno\u003c\/h3\u003e\n\u003cp\u003eExhaust manifold restriction happens before the turbos ever see the gas — and on a twin-turbo engine like the N54, that cost applies twice over. Fixing the very first bottleneck on both banks matters more than its size suggests.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eCompatible with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBMW 135i E82\/E88 N54\u003c\/li\u003e\n\u003cli\u003eBMW 335i E90\/E91\/E92\/E93 N54\u003c\/li\u003e\n\u003cli\u003eBMW Z4 sDrive35i E89 N54\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStainless steel exhaust manifold assembly (pair)\u003c\/li\u003e\n\u003cli\u003eSupplied gaskets and installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: SS304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eT3 Flange \u0026amp; Gasket \u003c\/li\u003e\n\u003cli\u003eEngine: N54 3.0T twin-turbo\u003c\/li\u003e\n\u003cli\u003eFitment: OEM head flange replacement\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping \u0026amp; Fit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirmed fitment by chassis and engine code before you buy, not after\u003c\/li\u003e\n\u003cli\u003eWorldwide shipping, cost calculated at checkout for your destination\u003c\/li\u003e\n\u003cli\u003eAustralian Consumer Law returns on all unused, unfitted parts\u003c\/li\u003e\n\u003cli\u003eQuestions about your specific build? Message us — real people, real platform knowledge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDelivery \u0026amp; Support\u003c\/h3\u003e\n\u003cp\u003eYour order is carefully inspected before dispatch and backed by VCTR Performance support. For product availability, shipping estimates or fitment assistance, contact our team.\u003c\/p\u003e","brand":"VCTR","offers":[{"title":"VCTR Performance","offer_id":52519631520064,"sku":"200257284:-1#55*41*24cm","price":1299.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/1152\/0064\/files\/ChatGPTImageJun22_2026_12_44_12PM.png?v=1782096377","url":"https:\/\/shop.vctrperformance.com\/products\/ss304-3-0mm-exhaust-manifold-for-135i-335i-z4-n54-e82-e87-e81-e90-e91-e92","provider":"VCTR","version":"1.0","type":"link"}