{"product_id":"mercedes-amg-glc63-m177-downpipes","title":"Mercedes-AMG GLC63 Catless, 200-Cell \u0026 400-Cell Downpipes — M177 4.0T | 2018+ | YPG Motorsport","description":"\u003ch2\u003eMercedes-Benz GLC63 Catless Downpipes — M177 4.0L Twin-Turbo V8\u003c\/h2\u003e\n\u003cp\u003eYPG Motorsport catless downpipes for the Mercedes-AMG GLC63 and GLC63 S (X253 \/ C253) replace the restrictive factory catalytic converters with mandrel-bent stainless steel pipes. The GLC63 shares the M177 4.0L twin-turbo V8 with the C63 and E63 — and the same tuning potential. Removing the factory cats is the single biggest bolt-on power gain available on this platform.\u003c\/p\u003e\n\n\u003cp\u003eWhen paired with a Stage 2 ECU calibration, the GLC63 S delivers \u003cstrong\u003e650–700 HP and 700–750 lb-ft of torque\u003c\/strong\u003e — transforming the SUV into one of the fastest vehicles in its segment. The all-wheel-drive system hooks everything. For Stage 3 turbo builds targeting 850+ HP, downpipes are a mandatory prerequisite.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2017–2022 Mercedes-AMG GLC63 (X253 SUV)\u003c\/li\u003e\n\u003cli\u003e2017–2022 Mercedes-AMG GLC63 S (X253 SUV)\u003c\/li\u003e\n\u003cli\u003e2017–2022 Mercedes-AMG GLC63 \/ GLC63 S (C253 Coupe)\u003c\/li\u003e\n\u003cli\u003eM177 4.0L Twin-Turbo V8 — all variants (476 HP base \/ 510 HP S model)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Low-carbon 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e TIG welded, hand finished\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlanges:\u003c\/strong\u003e CNC-machined 304 stainless — OEM mounting points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Direct OEM replacement — bolt-on, no fabrication required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Germany\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Lifetime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× pair stainless steel catless downpipes\u003c\/li\u003e\n\u003cli\u003eAll necessary bolts, gaskets, and clamps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eProfessional installation recommended. A Stage 2 ECU calibration is required to eliminate the CEL and unlock the full power gains. YPG Motorsport offers remote ECU flashing worldwide — OBD2 tool shipped to your door, guided session, 30–45 minutes, fully reversible to stock.\u003c\/p\u003e\n\n\u003ch3\u003eWhy YPG Motorsport\u003c\/h3\u003e\n\u003cp\u003eYPG Motorsport has been building and tuning AMG M177 engines since the platform launched — including the world record sub-10-second W205 C63 quarter mile. The GLC63 uses the identical engine and responds to the same modification path. Ships worldwide with free delivery. GCC stock available for same-week dispatch to Kuwait, Saudi Arabia, UAE, Qatar, Bahrain, and Oman.\u003c\/p\u003e","brand":"YPG Motorsport","offers":[{"title":"Catless","offer_id":27681170030656,"sku":"YPG-GLC63-M177-DP","price":1999.0,"currency_code":"USD","in_stock":true},{"title":"200-Cell High-Flow Catted","offer_id":48870363726016,"sku":"YPG-GLC63-M177-DP-200CELL","price":2999.0,"currency_code":"USD","in_stock":true},{"title":"400-Cell GESI High-Flow Catted","offer_id":48871902904512,"sku":"YPG-GLC63-M177-DP-400CELL","price":3599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0084\/7288\/7360\/files\/dp_clean_glc63.png?v=1788758543","url":"https:\/\/ypgmotorsport.com\/products\/mercedes-amg-glc63-m177-downpipes","provider":"YPG Motorsport","version":"1.0","type":"link"}