{"product_id":"milltek-large-bore-downpipe-hi-flow-sports-cat-for-ineos-grenadier-b58-ssxine143","title":"Milltek Large Bore Downpipe \u0026 Hi-Flow Sports Cat for Ineos Grenadier B58","description":"\u003ch3\u003eMilltek Large Bore Downpipe with Hi-Flow Sports Cat for the Ineos Grenadier B58\u003c\/h3\u003e\n\u003cp\u003eThe downpipe is the biggest restriction left on a B58 once the rest of the exhaust is sorted. This Milltek large bore replacement opens it up to 4.50in (114.30mm) with a 200 CPSI Hi-Flow Sports Cat, built to pair with a Stage 2 tune on the Grenadier.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\t\u003cli\u003eLarge Bore: 4.50in (114.30mm) mandrel-bent T304L stainless.\u003c\/li\u003e\n\t\u003cli\u003eHi-Flow Sports Cat: 200 CPSI catalyst in place of the restrictive OE unit.\u003c\/li\u003e\n\t\u003cli\u003eFits OE and Milltek Systems: pairs with the factory exhaust or a Milltek Grenadier system.\u003c\/li\u003e\n\t\u003cli\u003eTune Required: Stage 2 ECU tune required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\t\u003cli\u003ePipe Diameter: 4.50in (114.30mm)\u003c\/li\u003e\n\t\u003cli\u003eMaterial: T304L Stainless Steel\u003c\/li\u003e\n\t\u003cli\u003eCatalyst: 200 CPSI Hi-Flow Sports Cat\u003c\/li\u003e\n\t\u003cli\u003eRequires: Stage 2 ECU tune\u003c\/li\u003e\n\t\u003cli\u003eFitting Time: 3.00 to 4.00 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\t\u003cli\u003e2023 and later Ineos Grenadier B58 3.0 I6 Turbo Petrol\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Choose Milltek?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEngineered for the Emotion.\u003c\/p\u003e\n\u003cp\u003eDesigned and manufactured in the UK with 40+ years of performance exhaust heritage. Nurburgring tested.\u003c\/p\u003e\n\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n\u003cul class=\"fitment-list\"\u003e\n\u003cli\u003e2024-2026 INEOS Grenadier Base\u003c\/li\u003e\n\u003cli\u003e2024-2026 INEOS Grenadier Fieldmaster\u003c\/li\u003e\n\u003cli\u003e2024-2026 INEOS Grenadier Trialmaster\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60151286628638,"sku":"MILSSXINE143","price":1380.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-large-bore-downpipe-hi-flow-sports-cat-for-ineos-grenadier-b58-ssxine143","provider":"Signature Autohaus","version":"1.0","type":"link"}