{"product_id":"mercedes-benz-cls63-cls63s-amg-straight-downpipe-w219-w218-m156-m157-wstn-performance","title":"Mercedes CLS63\/CLS63S AMG Catless Downpipe | WSTN Performance (M157 W218\/W219)","description":"\u003cdiv class=\"wstn-product\"\u003e\n\u003ch1\u003e70mm Straight-Through Flow. Zero Compromise for the AMG V8.\u003c\/h1\u003e\n\u003cp\u003eThe Mercedes-Benz CLS63 AMG was never meant to be quiet and neither is this. WSTN Performance's 70mm straight downpipe replaces the factory restriction of the twin-turbocharged M157 (W218), unlocking the full acoustic and performance potential of one of AMG's most celebrated V8s. Built to order from 304 stainless steel and personally quality-checked in Perth before worldwide dispatch via DHL, this is a direct bolt-on upgrade engineered for those who know what the CLS63 is capable of.\u003c\/p\u003e\n\u003ch1\u003eWhy Upgrade?\u003c\/h1\u003e\n\u003cp\u003e✅ Maximum Exhaust Flow: 70mm straight-through construction completely eliminates factory restriction no compromises, no restrictions.\u003c\/p\u003e\n\u003cp\u003e✅ AMG V8 Sound: Deep, raw exhaust tone replaces the factory-muffled note.  M157 (5.5L TT) respond dramatically.\u003c\/p\u003e\n\u003cp\u003e✅ Heat Shield Included: Factory-spec heat shield protects surrounding components and maintains professional fitment quality.\u003c\/p\u003e\n\u003cp\u003e✅ Direct Bolt-On: Engineered to OEM mounting points on both W219 and W218 platforms no cutting, no welding.\u003c\/p\u003e\n\u003cp\u003e✅ Perth Quality Checked: Every unit is personally inspected before dispatch. Shipped worldwide via DHL.\u003c\/p\u003e\n\u003ch1\u003eKey Features \u0026amp; Specs\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e 304 Stainless Steel corrosion resistant, built to last\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePipe Diameter:\u003c\/strong\u003e 70mm \/ 2.75-inch straight-through construction\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction:\u003c\/strong\u003e Precision mandrel-bent, TIG-welded joints\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Brushed 304 stainless clean, purposeful look\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeat Shield:\u003c\/strong\u003e Included protects surrounding components\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Catless straight-through maximum exhaust flow\u003c\/p\u003e\n\u003ch1\u003eFitment \u0026amp; Compatibility\u003c\/h1\u003e\n\u003cp\u003e✔️ Mercedes-Benz CLS63 AMG (W218) 2011–2017 (M157, 5.5L V8 TT)\u003c\/p\u003e\n\u003cp\u003e✔️ Mercedes-Benz CLS63S AMG (W218) 2013–2017 (M157, 5.5L V8 TT)\u003c\/p\u003e\n\u003cp\u003eDirect OEM-spec replacement for W219 and W218 CLS63 AMG variants. Fits M157 twin-turbocharged configurations.\u003cbr\u003e\u003cbr\u003eCheck fitment before ordering.\u003c\/p\u003e\n\u003ch3\u003eTechnical Note\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e Catless straight-through intended for track and competition use. Buyer is responsible for local emissions compliance.\u003c\/p\u003e\n\u003ch1\u003eWhat's In the Box\u003c\/h1\u003e\n\u003cp\u003e1 x WSTN Performance 70mm Straight Downpipe with Heat Shield\u003c\/p\u003e\n\u003ch1\u003eInstallation\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e 4\/5 Requires workshop lift and AMG exhaust experience\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTime Estimate:\u003c\/strong\u003e 2–4 Hours\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Direct bolt-on to factory exhaust manifold flanges\u003c\/p\u003e\n\u003ch1\u003eWarranty \/ Shipping\u003c\/h1\u003e\n\u003ch3\u003eDISCLAIMER\u003c\/h3\u003e\n\u003cp\u003eWSTN Performance components are designed for track and competition use. To protect your build and ensure a perfect finish, we recommend professional installation by a certified specialist\/workshop. It is the buyer's responsibility to ensure modifications comply with local regulations.\u003c\/p\u003e\n\u003ch3\u003eWARRANTY\u003c\/h3\u003e\n\u003cp\u003eWe stand behind every product we sell. All WSTN Performance products carry a 1 year WSTN Performance warranty as standard. This covers any manufacturing defects, giving you total peace of mind that your upgrade is built to last. \u003ca href=\"\/policies\/refund-policy\"\u003eView our full Warranty policy page here.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eSHIPPING\u003c\/h3\u003e\n\u003cp\u003eWe offer tracked worldwide shipping on our entire catalogue. Most of our products are built-to-order: hand-crafted to your engine code, personally quality-checked in Perth WA, and dispatched worldwide. In-stock items dispatch within 2–4 days. All items arrive with full tracking. \u003ca href=\"\/policies\/shipping-policy\"\u003eView our full Shipping policy page here.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eRETURNS\u003c\/h3\u003e\n\u003cp\u003eWe offer returns on all products if items are damaged or there is something wrong. If we ever make a mistake, we'll cover the return shipping to make it right. \u003ca href=\"\/policies\/refund-policy\"\u003eView our full Return policy page here.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eSUPPORT\u003c\/h3\u003e\n\u003cp\u003eNeed a hand with fitment, shipping, or a return? Our Perth-based team is here to help you get your build perfect.\u003cbr\u003eEmail: \u003ca href=\"mailto:contact@wstnperformance.com\"\u003econtact@wstnperformance.com\u003c\/a\u003e\u003c\/p\u003e\n\u003ch1\u003eSound Clip\u003c\/h1\u003e\n\u003c\/div\u003e","brand":"WSTN Performance","offers":[{"title":"Default Title","offer_id":50344959279350,"sku":"WSTN-MERC-W219-W218-DP","price":848.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/2955\/2886\/files\/001.png?v=1776348350","url":"https:\/\/wstnperformance.com\/products\/mercedes-benz-cls63-cls63s-amg-straight-downpipe-w219-w218-m156-m157-wstn-performance","provider":"wstnperformance","version":"1.0","type":"link"}