{"product_id":"performance-air-filter-for-mercedes-benz-slk-r172-slk-55-amg-2-filters-required","title":"Performance Air Filter for Mercedes Benz SLK (R172) SLK 55 AMG (2011-2016)","description":"\u003ch2\u003eOptimizing the M152 V8: High-Flow Filtration for the Mercedes-Benz SLK 55 AMG (2 Required)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWho It’s For:\u003c\/strong\u003e Engineered for the Mercedes-Benz R172 SLK 55 AMG owner who understands that the M152 5.5L V8 is a masterpiece of naturally aspirated engineering that deserves better than restrictive, disposable paper filters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Symptom:\u003c\/strong\u003e The factory intake system on the SLK 55 AMG is designed to meet strict drive-by noise regulations and long-life service intervals. This means the OEM paper filters are dense and thick, creating a significant pressure drop across the intake tract. When you’re pushing that high-compression V8 toward its 7,000 RPM redline, the engine is fighting to pull air through a restrictive barrier, resulting in a delayed throttle response and a muted exhaust note that masks the true character of the hand-built AMG powerplant.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Engineering Fix:\u003c\/strong\u003e BMC replaces the OEM paper media with a multi-layered cotton gauze saturated in low-viscosity oil. This creates a more sophisticated filtration matrix that captures impurities as small as 7 microns without the turbulence associated with thick paper pleats. By utilizing a \"Full Moulding\" system, the filter frame is created from a single cast with no welded joints, ensuring a perfect seal within the R172 airbox. This maximizes the effective surface area, allowing for a higher volume of laminar airflow to reach the cylinders, which improves volumetric efficiency and sharpens the engine’s reaction to mid-range acceleration.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Mechanics Choose This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Volumetric Efficiency:\u003c\/strong\u003e By reducing the intake restriction, the M152 V8 can achieve a better air-fuel mixture under load, capitalizing on its 422 HP potential.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Filtration Geometry:\u003c\/strong\u003e BMC filters trap particles down to 7 microns, outperforming the 10-micron standard of most OEM paper elements while simultaneously increasing flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAMG-Grade Durability:\u003c\/strong\u003e The epoxy-coated alloy mesh protects the cotton media from gasoline fumes and oxidation, ensuring the filter doesn’t degrade under the high-heat conditions found in the R172 engine bay.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; margin-bottom: 20px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003eFitment\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e2011 - 2016 Mercedes-Benz SLK 55 AMG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003eEngine Platform\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eM152 (5.5L Naturally Aspirated V8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003eFactory Ratings\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e422 HP \/ 398 lb-ft Torque\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003ePart Numbers\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eFB809\/20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e275mm (A) x 109mm (B)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eCompatibility \u0026amp; OEM Reference\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFits the Following Vehicles:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-Benz SLK (R172) SLK 55 AMG (2011 - 2016) [Note: 2 Filters Required for this Vehicle]\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInterchange Part Numbers:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: monospace; font-size: 0.9em; color: #666; background-color: #f5f5f5; padding: 10px; border-radius: 4px;\"\u003eFB809\/20, 172475\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eThe Performance Promise\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eUpgrade with confidence.\u003c\/strong\u003e These filters are pre-oiled and ready for immediate drop-in installation. Unlike disposable filters, these can be washed and regenerated using a BMC service kit, making them the last set of filters your R172 will ever need. Expect a crisper induction sound and a more responsive M152 powerband.\u003c\/p\u003e","brand":"BMC","offers":[{"title":"Default Title","offer_id":47758419001592,"sku":"DS-MB-FB809\/20","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/fb809__40817.1602793523.1280.1280.jpg?v=1767728425","url":"https:\/\/performancechiptuning.com\/products\/performance-air-filter-for-mercedes-benz-slk-r172-slk-55-amg-2-filters-required","provider":"Performance Chip Tuning","version":"1.0","type":"link"}