{"product_id":"m113k-shorty-headers-e55-cls55-amg","title":"M113K Shorty Log Style Headers – Mercedes E55 AMG CLS55 V8 Kompressor","description":"\u003cdiv class=\"rte\" style=\"max-width: 980px; margin: 0 auto;\"\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 15px;\"\u003eThese \u003cstrong\u003eM113K shorty headers\u003c\/strong\u003e are built for E55 AMG (W211) and CLS55 AMG (W219) owners who want real drivability gains.\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 15px;\"\u003ePair them with a \u003ca href=\"\/products\/m113k-ecu-tuning-e55-amg-cls55-sl55-s55-v8-kompressor-upgrade\"\u003ecustom M113K ECU tune\u003c\/a\u003e to turn the extra flow into power.\u003c\/p\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\u003eCat-Compatible\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eRetains OEM 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\u003eNo-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\u003eComplete Kit\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eGaskets + studs included\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\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; font-size: 20px; font-weight: 900;\"\u003eWhy a Log-Style Shorty?\u003c\/h2\u003e\n\u003cp style=\"margin: 0;\"\u003eIt mounts in place of the factory manifold, so nothing downstream changes.\u003c\/p\u003e\n\u003c\/div\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; 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\u003eStronger Torque Curve\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eMore usable pull once paired with a tune\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #f1f1f1; border-radius: 14px; padding: 14px; background: #fafafa;\"\u003e\n\u003cstrong\u003eSharper Throttle Response\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003eImproved exhaust efficiency helps the supercharger feel more immediate\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #f1f1f1; border-radius: 14px; padding: 14px; background: #fafafa;\"\u003e\n\u003cstrong\u003eBuilt to Last\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #6b7280;\"\u003e304 stainless with thick .38\" flanges for sealing\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\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; font-size: 20px; font-weight: 900;\"\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n\u003cli\u003eLeft \u0026amp; right M113K shorty headers\u003c\/li\u003e\n\u003cli\u003eGaskets, studs and mounting hardware\u003c\/li\u003e\n\u003cli\u003e1-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\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; font-size: 20px; font-weight: 900;\"\u003eVehicle Compatibility (M113K 5.4L Supercharged)\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\u003eE55 AMG\u003c\/strong\u003e (W211)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2005–2006\u003c\/strong\u003e Mercedes-Benz \u003cstrong\u003eCLS55 AMG\u003c\/strong\u003e (W219)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\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; 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 — no cutting or welding\u003c\/li\u003e\n\u003cli\u003eProfessional install recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\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; font-size: 20px; font-weight: 900;\"\u003eFAQ\u003c\/h2\u003e\n\u003cp style=\"margin: 0 0 10px;\"\u003e\u003cstrong\u003eWill these trigger a CEL?\u003c\/strong\u003e\u003cbr\u003eNo. The O2 sensors stay in their factory positions.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eDo I need tuning?\u003c\/strong\u003e\u003cbr\u003eNot required, but strongly recommended. You’ll feel sharper throttle response on the factory calibration; the power gains come with a tune.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":44509849190575,"sku":"BU-M113K-HDR-SHORTY","price":575.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/mercedes-m113k-log-style-shorty-headers.jpg?v=1755311800","url":"https:\/\/benzunitedparts.com\/products\/m113k-shorty-headers-e55-cls55-amg","provider":"BenzUnited Parts","version":"1.0","type":"link"}