{"product_id":"high-flow-stainless-steel-exhaust-manifold-for-audi-r8-v8-4-2-2006-2015-sport-exhaust-pipes-head-catalytic-converter","title":"VCTR Performance Audi R8 V8 4.2 Exhaust Manifold w High Flow Cats","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe R8 V8's factory exhaust manifolds restrict flow from each bank of the naturally aspirated 4.2 FSI before it reaches the catalytic converters. This stainless steel manifold replacement improves flow geometry from the cylinder head — reducing backpressure and supporting a sharper response through the rev range.\u003c\/p\u003e\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eImproved exhaust flow geometry over the factory cast manifolds\u003c\/li\u003e\n\u003cli\u003eReduced backpressure from the cylinder head\u003c\/li\u003e\n\u003cli\u003eStainless steel construction for durability and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eSmooth-finish bore for improved airflow\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuilt for the Drive, Not Just the Dyno\u003c\/h3\u003e\u003cp\u003eA naturally aspirated V8 has no boost to compensate for a restrictive manifold — every bit of exhaust scavenging lost at the cylinder head is lost for good. Fixing the very first bottleneck in the exhaust path matters more on this engine than it would on anything turbocharged.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eAudi R8 V8 4.2 FSI (2006–2015)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\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\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eThickness: 1.2mm\u003c\/li\u003e\n\u003cli\u003eFinish: Smooth\u003c\/li\u003e\n\u003cli\u003eEngine: V8 4.2 FSI naturally aspirated\u003c\/li\u003e\n\u003cli\u003eFitment: OEM head flange replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eShipping \u0026amp; Fit\u003c\/h3\u003e\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\u003ch3\u003eDelivery \u0026amp; Support\u003c\/h3\u003e\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 \/ VCTR Performance","offer_id":52520157446464,"sku":null,"price":3899.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/1152\/0064\/files\/ChatGPTImageJun22_2026_01_21_22PM.png?v=1782098508","url":"https:\/\/shop.vctrperformance.com\/products\/high-flow-stainless-steel-exhaust-manifold-for-audi-r8-v8-4-2-2006-2015-sport-exhaust-pipes-head-catalytic-converter","provider":"VCTR","version":"1.0","type":"link"}