{"product_id":"milltek-large-bore-downpipe-hi-flow-sports-cat-mercedes-c63-amp-c63-s-w205-saloon-40-bi-turbo-v8-ssxmz118","title":"Milltek Large Bore Downpipe Hi-Flow Sports Cat | Mercedes C63 \u0026 C63 S (W205) Saloon 4.0 Bi-Turbo V8","description":"\u003cp\u003eOEM catalysts restrict exhaust gas flow and limit performance. The Milltek Large Bore Downpipe with Hi-Flow Sports Catalyst reduces restriction over OE units, enabling a free-flowing exhaust system that improves engine performance and response. This integrated downpipe and sports cat assembly is engineered for direct factory fitment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment \u0026amp; Installation:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for OE primary and secondary catalysts\u003c\/li\u003e\n\u003cli\u003eGearbox removal required for installation\u003c\/li\u003e\n\u003cli\u003eCompatible with OE cat-back systems and Milltek cat-back exhausts\u003c\/li\u003e\n\u003cli\u003eRequires Stage 2 ECU remap for optimal performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction:\u003c\/strong\u003e T304L stainless steel, mandrel-bent large bore piping with hi-flow catalyst core engineered to maximize exhaust velocity while maintaining structural integrity. Hand-finished for OEM+ presentation.\u003c\/p\u003e\u003cp\u003e Milltek performance downpipes deliver measurable gains when paired with ECU optimization and full exhaust system upgrades. \u003c\/p\u003e\n\u003cp\u003eDesigned and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":51360559071455,"sku":"SSXMZ118","price":7490.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8496\/9183\/files\/SSXMZ118_1.jpg?v=1789002674","url":"https:\/\/egtuning.com\/products\/milltek-large-bore-downpipe-hi-flow-sports-cat-mercedes-c63-amp-c63-s-w205-saloon-40-bi-turbo-v8-ssxmz118","provider":"Egor's Garage Tuning ","version":"1.0","type":"link"}