{"product_id":"dinan-14-16-bmw-m235i-f22-w-o-m-performance-valence-free-flow-axleback-exhaust-system-black-tips-d660-0047-blk","title":"Dinan 14-16 BMW M235i (F22) w\/o M-Performance Valence Free Flow Axleback Exhaust System - Black Tips - D660-0047-BLK","description":"\u003cp\u003eDinan engineers designed the F22 BMW M235i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Dinan also incorporates a Helmholtz chamber design that reduces resonance or\"drone\" at low RPM.\u003c\/p\u003e\n\u003cp\u003eNot compatible for vehicles equipped with the M-Performance rear valance.\u003c\/p\u003e\n\u003ch4\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTwin 89mm (3.5\") laser engraved, polished or ceramic black exhaust tips\u003c\/li\u003e\n\u003cli\u003eUses the factory brackets and hangers for a factory-like fitment\u003c\/li\u003e\n\u003cli\u003eMore Power: + 6 HP @ 6600 RPM, + 5 LB-FT @ 6600 RPM\u003c\/li\u003e\n\u003cli\u003e100% 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eHelmholtz chamber to reduce drone\u003c\/li\u003e\n\u003cli\u003eEnjoyably louder, sportier sound\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eDownloads \u0026amp; Resources\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=AJE_DR3beNo\" target=\"_blank\" rel=\"noopener\"\u003eVideo File (WEBM)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/233f5e6b74ffe103124aa7ac95d7c3f5.PDF\" target=\"_blank\" rel=\"noopener\"\u003eInstallation Instructions (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":46338539061384,"sku":"dnnD660-0047-BLK","price":1352.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/2491\/6104\/files\/3577ae72cdfeddc89c27be4510c156a2L.jpg?v=1786370441","url":"https:\/\/www.allianceracing.com\/products\/dinan-14-16-bmw-m235i-f22-w-o-m-performance-valence-free-flow-axleback-exhaust-system-black-tips-d660-0047-blk","provider":"Alliance Racing","version":"1.0","type":"link"}