{"product_id":"exhaust-downpipe-for-e63-e63s-amg-m177-2020-with-opf-fit-gt63-4-door-euro-with-heat-shield-1","title":"VCTR Performance Mercedes-AMG E63\/GT63 M177 Catless Downpipe Kit","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe Mercedes-AMG M177 factory downpipes carry an OPF filter that is the primary exhaust restriction on E63 and GT63 applications. This catless kit removes the OPF entirely — significantly opening the exhaust path from the twin turbos and supporting tuned M177 power targets.\u003c\/p\u003e\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRemoves the primary restriction in the factory post-turbo exhaust path\u003c\/li\u003e\n\u003cli\u003eImproved turbo spool — the turbo recovers and builds pressure faster\u003c\/li\u003e\n\u003cli\u003eMore defined exhaust tone under load\u003c\/li\u003e\n\u003cli\u003eStainless steel construction for longevity\u003c\/li\u003e\n\u003cli\u003eProvides the foundation for meaningful power gains on a tuned map\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngineering Focus\u003c\/h3\u003e\u003cp\u003eSS304 stainless steel with integrated heat shield. The OPF sections are deleted and replaced with free-flowing downpipe sections — a direct improvement in post-turbo exhaust flow on M177 applications.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMercedes-AMG E63 W213 M177 (2020+)\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GT63 M177 (2020+)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCatless unit — for off-road and motorsport use. Engine management tuning is strongly recommended post-installation.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCatless downpipe assembly (pair)\u003c\/li\u003e\n\u003cli\u003eHeat shield\u003c\/li\u003e\n\u003cli\u003eSupplied gaskets and installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaterial: SS304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eCatalyst: None (OPF delete)\u003c\/li\u003e\n\u003cli\u003eFeatures: Heat shield included\u003c\/li\u003e\n\u003cli\u003eEngine: M177 4.0T V8 biturbo\u003c\/li\u003e\n\u003cli\u003eFitment: OEM flange replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDelivery \u0026amp; Support\u003c\/h3\u003e\u003cp\u003eYour order is carefully inspected before dispatch and backed by VCTR Performance support. For product availability, shipping estimates or fitment assistance, contact our team.\u003c\/p\u003e","brand":"VCTR Performance","offers":[{"title":"VCTR Performance \/ VCTR Performance","offer_id":52080757178688,"sku":"100007928:-6#SILVER;191284006:-1#Heat Shield","price":1399.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/1152\/0064\/files\/ChatGPTImageMay31_2026_09_04_13PM.png?v=1780225587","url":"https:\/\/shop.vctrperformance.com\/products\/exhaust-downpipe-for-e63-e63s-amg-m177-2020-with-opf-fit-gt63-4-door-euro-with-heat-shield-1","provider":"VCTR","version":"1.0","type":"link"}