{"product_id":"m113k-shorty-log-style-headers-mercedes-amg-e55-sl55-cls55-v8-kompressor-copy","title":"M113 Shorty Headers – Mercedes E500 CLS500 NA V8","description":"\u003cdiv style=\"max-width: 980px; margin: 0 auto;\" class=\"rte\"\u003e\n\u003c!-- HERO --\u003e\n\u003cdiv style=\"border-radius: 16px; padding: 22px; background: linear-gradient(135deg,#0b0b0b,#1f1f1f); color: #fff;\"\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-weight: bold; letter-spacing: .4px; color: #d4af37;\"\u003eM113 5.4L Naturally Aspirated • OEM-Cat Compatible\u003c\/p\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; line-height: 1.15; font-weight: 900;\"\u003eLog Style Shorty Headers for Mercedes M113 5.4L (W211 \/ W219)\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0 0; color: #d1d5db; font-size: 15px;\"\u003eImproved throttle response, stronger mid-range torque, and better exhaust flow — while retaining factory catalytic converters and OEM-style O2 sensor placement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- TRUST STRIP --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 220px; background: #fff; border: 1px solid #eee; border-radius: 14px; padding: 14px;\"\u003e\n\u003cstrong\u003e✅ OEM Cat Retained\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eDesigned to work with factory catalytic converters\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 220px; background: #fff; border: 1px solid #eee; border-radius: 14px; padding: 14px;\"\u003e\n\u003cstrong\u003e✅ No CEL Design\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eOEM-style O2 sensor placement\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 220px; background: #fff; border: 1px solid #eee; border-radius: 14px; padding: 14px;\"\u003e\n\u003cstrong\u003e✅ Complete Kit\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eHeaders, gaskets \u0026amp; mounting hardware\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- INTRO --\u003e\n\u003cdiv style=\"background: #fff; border: 1px solid #eee; border-radius: 16px; padding: 18px; margin-top: 14px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eThese \u003cstrong\u003eM113 shorty headers\u003c\/strong\u003e are engineered specifically for the \u003cstrong\u003e5.4L naturally aspirated V8\u003c\/strong\u003e found in the W211 and W219 chassis. By improving exhaust scavenging and reducing restriction, they deliver noticeably sharper throttle response and a stronger mid-range pull without compromising drivability.\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0 0;\"\u003eIdeal for daily-driven E500 and CLS500 models looking for a refined, OEM-plus performance upgrade.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- BENEFITS --\u003e\n\u003cdiv style=\"margin-top: 14px; background: #fff; border: 1px solid #eee; border-radius: 16px; padding: 18px;\"\u003e\n\u003ch2 style=\"margin: 0 0 10px 0; font-size: 20px; font-weight: 900;\"\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px;\"\u003e\n\u003cdiv style=\"border: 1px solid #f1f1f1; border-radius: 14px; padding: 14px; background: #fafafa;\"\u003e\n\u003cstrong\u003eImproved Mid-Range Torque\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eStronger pull in everyday driving\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #f1f1f1; border-radius: 14px; padding: 14px; background: #fafafa;\"\u003e\n\u003cstrong\u003eCrisper Throttle Response\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eReduced exhaust restriction improves pedal feel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #f1f1f1; border-radius: 14px; padding: 14px; background: #fafafa;\"\u003e\n\u003cstrong\u003eOEM Emissions Friendly\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eDesigned to retain factory emissions equipment\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #f1f1f1; border-radius: 14px; padding: 14px; background: #fafafa;\"\u003e\n\u003cstrong\u003e304 Stainless Construction\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eThick flanges for long-term sealing\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FITMENT --\u003e\n\u003cdiv style=\"margin-top: 14px; background: #fff; border: 1px solid #eee; border-radius: 16px; padding: 18px;\"\u003e\n\u003ch2 style=\"margin: 0 0 10px 0; font-size: 20px; font-weight: 900;\"\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; line-height: 1.75;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e2003–2006\u003c\/strong\u003e Mercedes-Benz \u003cstrong\u003eE500\u003c\/strong\u003e (W211)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2005–2006\u003c\/strong\u003e Mercedes-Benz \u003cstrong\u003eCLS500\u003c\/strong\u003e (W219)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 10px 0 0 0; font-size: 13px; color: #6b7280;\"\u003eFitment is chassis-specific. Please confirm before ordering if unsure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- INSTALL --\u003e\n\u003cdiv style=\"margin-top: 14px; background: #fff; border: 1px solid #eee; border-radius: 16px; padding: 18px;\"\u003e\n\u003ch2 style=\"margin: 0 0 10px 0; font-size: 20px; font-weight: 900;\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n\u003cli\u003eDirect bolt-on for W211 \/ W219 M113 applications\u003c\/li\u003e\n\u003cli\u003eInterfaces with factory mid-pipes and catalytic converters\u003c\/li\u003e\n\u003cli\u003eNo cutting or welding required\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- CTA --\u003e\n\u003cdiv style=\"margin-top: 16px; text-align: center;\"\u003e\n\u003ca style=\"display: inline-block; background: #111; color: #fff; padding: 12px 22px; border-radius: 12px; text-decoration: none; font-weight: 900; margin: 6px;\" href=\"\/collections\/mercedes-m113-performance-upgrades\"\u003e Shop More M113 Upgrades \u003c\/a\u003e \u003ca style=\"display: inline-block; background: #4b5563; color: #fff; padding: 12px 22px; border-radius: 12px; text-decoration: none; font-weight: 900; margin: 6px;\" href=\"\/pages\/request-a-part\"\u003e Confirm Fitment \/ Ask a Question \u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 18px; font-size: 13px; color: #6b7280; text-align: center;\"\u003e\u003cstrong\u003eUse Note:\u003c\/strong\u003e Intended for off-road or competition use where permitted.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46535389741231,"sku":null,"price":575.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/m113-shorty-headers-mercedes-amg-e500-cls500.jpg?v=1770049164","url":"https:\/\/benzunitedparts.com\/products\/m113k-shorty-log-style-headers-mercedes-amg-e55-sl55-cls55-v8-kompressor-copy","provider":"BenzUnited Parts","version":"1.0","type":"link"}