{"product_id":"mercedes-benz-amg-w205-c63-exhaust-downpipe","title":"MERCEDES C63 W205 EXHAUST DOWNPIPE","description":"Unleash the full potential of your twin-turbo V8 with our  High-Performance Exhaust Downpipe  for the  Mercedes-AMG W205 C63 and C63 S . Designed to drastically reduce exhaust backpressure and increase turbo efficiency, this downpipe upgrade delivers a noticeable boost in power, improved throttle response, and a more aggressive exhaust note. \n Whether you're running a stock tune or pushing higher boost levels with custom software, this downpipe is the foundation for unlocking real performance from your M177-powered AMG. \n  Key Features:  \n \n \n  High-Flow Design for Maximum Performance  Significantly improves exhaust gas flow by replacing restrictive OEM catalytic sections, helping turbos spool faster and reducing EGTs (exhaust gas temps). \n \n \n  T304 Stainless Steel Construction  Built from mandrel-bent, TIG-welded 304 stainless steel for high durability, corrosion resistance, and long-term reliability under extreme heat and pressure. \n \n \n  Optional High-Flow Cats or Catless Versions  Available with 200-cell high-flow catalytic converters for improved emissions compliance, or as a catless race-only setup for maximum flow and sound. \n \n \n  Precision Fitment \u0026amp; CNC Machined Flanges  Engineered for a direct bolt-on installation with perfect alignment and sealing—no cutting or welding required. Retains factory O2 sensor locations. \n \n \n  Enhanced Exhaust Sound  Deepens and sharpens the AMG V8 note, delivering a more aggressive tone under acceleration and satisfying turbo spool sounds. \n \n \n  Dyno-Proven Gains  Gains of  +20–30 HP on stock tune , and significantly more with ECU remapping or tuning software. \n \n \n  Supports Stage 1\/2 Tunes  Ideal companion for performance tunes from major ECU tuning platforms. \n \n \n  Vehicle Compatibility:  \n \n \n 2015–2021 Mercedes-Benz C63 AMG (W205) – M177 4.0L Biturbo V8 \n \n \n 2015–2021 Mercedes-Benz C63 S AMG (W205) – M177 4.0L Biturbo V8  (Sedan, Coupe, and Cabriolet variants)","brand":"Project Styling","offers":[{"title":"Default Title","offer_id":57052907471226,"sku":"46831140110550","price":889.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/2748\/6009\/files\/Hfda50aab20cd4caaacff888cd4921e89t.webp?v=1783536668","url":"https:\/\/projectstyling.co.uk\/products\/mercedes-benz-amg-w205-c63-exhaust-downpipe","provider":"PROJECT STYLING","version":"1.0","type":"link"}