{"product_id":"mercedes-benz-w213-amg-e400-e43-valvetronic-exhaust-system-yonristic-performance","title":"Mercedes-Benz W213 AMG E400 E43 Valvetronic Exhaust System - Yonristic Performance","description":"\u003cp data-end=\"1415\" data-start=\"954\"\u003eThis exhaust system is centered around a \u003cstrong data-end=\"1021\" data-start=\"995\"\u003elarge 3.5-inch midpipe\u003c\/strong\u003e, designed to dramatically reduce backpressure compared to the factory layout. The increased cross-section allows exhaust gases to move more freely, improving turbo response on the E400 and sharpening overall engine behavior on the AMG-tuned E43. By maintaining high flow capacity through the mid-section, the system ensures consistent performance even under sustained load or spirited driving.\u003c\/p\u003e\n\u003cp data-end=\"1945\" data-start=\"1417\"\u003eAt the rear, the exhaust transitions into a \u003cstrong data-end=\"1496\" data-start=\"1461\"\u003evalved dual-path muffler design\u003c\/strong\u003e. With the valves closed, exhaust gases are routed through a controlled internal path that keeps sound levels refined and cabin noise minimal—ideal for commuting, highway cruising, or long-distance driving. Open the valves using the included \u003cstrong data-end=\"1769\" data-start=\"1738\"\u003eremote valve control system\u003c\/strong\u003e, and the exhaust shifts to a more direct flow route, delivering a louder, deeper, and more aggressive tone with crisp throttle response and pronounced overrun characteristics.\u003c\/p\u003e\n\u003cp data-end=\"2343\" data-start=\"1947\"\u003eThe system is engineered using precise underbody measurements to ensure perfect fitment, proper clearance, and OEM-style mounting. All sections are hand TIG-welded for strength and longevity, with smooth transitions and consistent wall thickness to preserve exhaust velocity. The result is a system that not only sounds better, but also feels sharper and more responsive throughout the rev range.\u003c\/p\u003e\n\u003ch2 data-start=\"2350\" data-end=\"2395\"\u003ePerformance Gains\u003c\/h2\u003e\n\u003cp data-start=\"2397\" data-end=\"2512\"\u003eThanks to the high-flow midpipe and reduced exhaust restriction, the system delivers tangible performance benefits:\u003c\/p\u003e\n\u003cul data-start=\"2514\" data-end=\"2747\"\u003e\n\u003cli data-start=\"2514\" data-end=\"2568\"\u003e\n\u003cp data-start=\"2516\" data-end=\"2568\"\u003e\u003cstrong data-start=\"2516\" data-end=\"2536\"\u003eHorsepower Gain:\u003c\/strong\u003e\u003cbr data-start=\"2536\" data-end=\"2539\"\u003e\u003cstrong data-start=\"2541\" data-end=\"2554\"\u003e+15–22 HP\u003c\/strong\u003e at higher RPM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2570\" data-end=\"2649\"\u003e\n\u003cp data-start=\"2572\" data-end=\"2649\"\u003e\u003cstrong data-start=\"2572\" data-end=\"2588\"\u003eTorque Gain:\u003c\/strong\u003e\u003cbr data-start=\"2588\" data-end=\"2591\"\u003e\u003cstrong data-start=\"2593\" data-end=\"2609\"\u003e+18–25 lb-ft\u003c\/strong\u003e, especially noticeable in the mid-range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2651\" data-end=\"2747\"\u003e\n\u003cp data-start=\"2653\" data-end=\"2747\"\u003e\u003cstrong data-start=\"2653\" data-end=\"2675\"\u003eThrottle Response:\u003c\/strong\u003e\u003cbr data-start=\"2675\" data-end=\"2678\"\u003eImproved turbo spool and sharper acceleration response\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2749\" data-end=\"2872\"\u003eThese gains are achieved without ECU tuning, though additional power can be unlocked when paired with aftermarket software.\u003c\/p\u003e\n\u003chr data-start=\"2874\" data-end=\"2877\"\u003e\n\u003ch2 data-start=\"2879\" data-end=\"2900\"\u003eKey Specifications\u003c\/h2\u003e\n\u003cp data-start=\"2902\" data-end=\"2919\"\u003e\u003cstrong data-start=\"2902\" data-end=\"2919\"\u003eConfiguration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2920\" data-end=\"3037\"\u003e\n\u003cli data-start=\"2920\" data-end=\"2957\"\u003e\n\u003cp data-start=\"2922\" data-end=\"2957\"\u003ePerformance cat-back exhaust system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2958\" data-end=\"2990\"\u003e\n\u003cp data-start=\"2960\" data-end=\"2990\"\u003e\u003cstrong data-start=\"2960\" data-end=\"2990\"\u003e3.5-inch high-flow midpipe\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2991\" data-end=\"3037\"\u003e\n\u003cp data-start=\"2993\" data-end=\"3037\"\u003eDual rear mufflers with active valve control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3039\" data-end=\"3056\"\u003e\u003cstrong data-start=\"3039\" data-end=\"3056\"\u003eValve Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3057\" data-end=\"3217\"\u003e\n\u003cli data-start=\"3057\" data-end=\"3099\"\u003e\n\u003cp data-start=\"3059\" data-end=\"3099\"\u003e\u003cstrong data-start=\"3059\" data-end=\"3099\"\u003eIncluded remote valve control module\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3100\" data-end=\"3156\"\u003e\n\u003cp data-start=\"3102\" data-end=\"3156\"\u003eOn-demand switching between quiet and aggressive modes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3157\" data-end=\"3217\"\u003e\n\u003cp data-start=\"3159\" data-end=\"3217\"\u003eIndependent of factory drive modes for maximum flexibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3219\" data-end=\"3247\"\u003e\u003cstrong data-start=\"3219\" data-end=\"3247\"\u003eMaterials \u0026amp; Construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3248\" data-end=\"3430\"\u003e\n\u003cli data-start=\"3248\" data-end=\"3291\"\u003e\n\u003cp data-start=\"3250\" data-end=\"3291\"\u003eAvailable in \u003cstrong data-start=\"3263\" data-end=\"3291\"\u003eAISI 304 Stainless Steel\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3292\" data-end=\"3322\"\u003e\n\u003cp data-start=\"3294\" data-end=\"3322\"\u003eHand TIG-welded construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3323\" data-end=\"3381\"\u003e\n\u003cp data-start=\"3325\" data-end=\"3381\"\u003ePrecision-formed piping with smooth internal transitions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3382\" data-end=\"3430\"\u003e\n\u003cp data-start=\"3384\" data-end=\"3430\"\u003eHeat-resistant design for long-term durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3432\" data-end=\"3448\"\u003e\u003cstrong data-start=\"3432\" data-end=\"3448\"\u003eInstallation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3449\" data-end=\"3538\"\u003e\n\u003cli data-start=\"3449\" data-end=\"3470\"\u003e\n\u003cp data-start=\"3451\" data-end=\"3470\"\u003e100% bolt-on design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3471\" data-end=\"3505\"\u003e\n\u003cp data-start=\"3473\" data-end=\"3505\"\u003eUtilizes factory mounting points\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3506\" data-end=\"3538\"\u003e\n\u003cp data-start=\"3508\" data-end=\"3538\"\u003eNo cutting or welding required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3540\" data-end=\"3543\"\u003e\n\u003ch2 data-start=\"3545\" data-end=\"3563\"\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cul data-start=\"3565\" data-end=\"3695\"\u003e\n\u003cli data-start=\"3565\" data-end=\"3608\"\u003e\n\u003cp data-start=\"3567\" data-end=\"3608\"\u003e\u003cstrong data-start=\"3567\" data-end=\"3594\"\u003eMercedes-Benz W213 E400\u003c\/strong\u003e – 2014–2018\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3609\" data-end=\"3650\"\u003e\n\u003cp data-start=\"3611\" data-end=\"3650\"\u003e\u003cstrong data-start=\"3611\" data-end=\"3636\"\u003eMercedes-AMG W213 E43\u003c\/strong\u003e – 2016–2018\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3651\" data-end=\"3695\"\u003e\n\u003cp data-start=\"3653\" data-end=\"3695\"\u003eEngine Platforms: Turbocharged V6 variants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yonristic Performance","offers":[{"title":"Catback System \/ AISI304 Stainless Steel","offer_id":46034885705962,"sku":"YR-8394-MER-CAT","price":2499.0,"currency_code":"USD","in_stock":true},{"title":"Catback System \/ TI-6AL-4V Titanium","offer_id":46034885738730,"sku":"YR-1001-MER-CAT","price":3399.0,"currency_code":"USD","in_stock":true},{"title":"Catback + Free Flow Race Headers \/ AISI304 Stainless Steel","offer_id":46034885771498,"sku":"YR-0773-MER-CAT","price":2999.0,"currency_code":"USD","in_stock":true},{"title":"Catback + Free Flow Race Headers \/ TI-6AL-4V Titanium","offer_id":46034885804266,"sku":"YR-8360-MER-CAT","price":3899.0,"currency_code":"USD","in_stock":true},{"title":"Catback + 200 Cells Street Headers \/ AISI304 Stainless Steel","offer_id":46034885837034,"sku":"YR-2352-MER-CAT","price":3299.0,"currency_code":"USD","in_stock":true},{"title":"Catback + 200 Cells Street Headers \/ TI-6AL-4V Titanium","offer_id":46034885869802,"sku":"YR-5912-MER-CAT","price":4199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0477\/0427\/7142\/files\/169_b4ce918a-02af-40cd-954b-a68e62996c72.jpg?v=1778282228","url":"https:\/\/www.k2-industries.com\/en-hk\/products\/mercedes-benz-w213-amg-e400-e43-valvetronic-exhaust-system-yonristic-performance","provider":"K2 Industries","version":"1.0","type":"link"}