{"product_id":"milltek-road-gpf-back-exhaust-for-ineos-quartermaster-b58-premium-cerakote-black-tips-ssxine141","title":"Milltek Road+ GPF-Back Exhaust for Ineos Quartermaster B58, Premium Cerakote Black Tips","description":"\u003cp\u003eMilltek Road+ Part-Resonated GPF-Back exhaust system for Ineos Quartermaster (petrol, B58 engine, from late 2018). Direct factory fitment using OEM hangers-no modification required. Engineered to restore and enhance the exhaust note compromised by the factory Gasoline Particulate Filter, delivering a refined tone with improved sound character and styling.\u003c\/p\u003e\n\u003cp\u003eT304L stainless steel construction, mandrel-bent throughout. Hand-finished Premium Cerakote tips. Part-resonated design balances sound dynamics with refined full-throttle character-louder than stock, engineered not obnoxious. Meets emissions compliance while delivering the performance soundtrack your Quartermaster deserves.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eT304L stainless steel, mandrel-bent construction\u003c\/li\u003e\n\u003cli\u003ePart-resonated design for refined tone with presence\u003c\/li\u003e\n\u003cli\u003ePremium Cerakote-coated tips\u003c\/li\u003e\n\u003cli\u003eOEM+ fitment-uses factory hangers and mounting points\u003c\/li\u003e\n\u003cli\u003eEngineered for B58 engine dynamics and backpressure optimization\u003c\/li\u003e\n\u003cli\u003eDirect replacement for factory GPF-back system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e Milltek performance exhaust systems are developed in-house, tested at global proving grounds, and hand-finished to precision standards. \u003c\/p\u003e\n\u003cp\u003eFits OE system.\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\n\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n\u003cul class=\"fitment-list\"\u003e\n\u003cli\u003e2025-2026 INEOS Grenadier Quartermaster Base\u003c\/li\u003e\n\u003cli\u003e2025-2026 INEOS Grenadier Quartermaster Fieldmaster\u003c\/li\u003e\n\u003cli\u003e2025-2026 INEOS Grenadier Quartermaster Trialmaster\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60151284826398,"sku":"MILSSXINE141","price":1905.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXINE141_uk1.webp?v=1791258948","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-road-gpf-back-exhaust-for-ineos-quartermaster-b58-premium-cerakote-black-tips-ssxine141","provider":"Signature Autohaus","version":"1.0","type":"link"}