{"product_id":"milltek-filter-back-exhaust-bmw-8-series-m8-comp-4-4-v8-twin-turbo-f91-f92-coupe-cabrio-opf-gpf-20","title":"Milltek Filter Back Exhaust BMW 8 Series M8 Comp 4.4 V8 Twin Turbo F91 F92 Coupe Cabrio OPF\/GPF 20+","description":"\u003ch2\u003eMilltek Filter-back Exhaust for BMW 8 Series M8 \u0026amp; M8 Competition 4.4l V8 Twin Turbo F91 \u0026amp; F92 Coupe \u0026amp; Cabrio (OPF\/GPF Equipped Cars Only) (2020 onwards) – Sharper Sound, Filter Retained\u003c\/h2\u003e\n\u003cp\u003eThis is Milltek's particulate filter-back system for the BMW 8 Series M8 \u0026amp; M8 Competition 4.4l V8 Twin Turbo F91 \u0026amp; F92 Coupe \u0026amp; Cabrio (OPF\/GPF Equipped Cars Only). It replaces everything downstream of the factory diesel or petrol particulate filter with wider-bore pipework and re-tuned silencers, cutting back pressure and sharpening the exhaust note. The filter itself is left exactly where the manufacturer fitted it, so emissions equipment is unaffected. It's offered in 5 tailpipe finishes, so you can pick the setup that suits how the car's used.\u003c\/p\u003e\n\u003cp\u003eIt's the right choice if you want a sportier sound and a genuine, if modest, flow improvement on a filter-equipped car, without going anywhere near the parts of the system that keep it emissions-compliant.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e Particulate Filter-back\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Diameter:\u003c\/strong\u003e 80mm (3.15\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Approved:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace System:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Time:\u003c\/strong\u003e approx. 2 to 3 hours (Milltek figure)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMade from T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration\u003c\/li\u003e\n\u003cli\u003eMandrel-bent pipework keeps a constant diameter through every bend for unrestricted flow\u003c\/li\u003e\n\u003cli\u003e80mm (3.15\") pipework\u003c\/li\u003e\n\u003cli\u003eFits behind the factory particulate filter, which stays in place\u003c\/li\u003e\n\u003cli\u003eChoice of 5 tailpipe finishes: GT-115 Brushed Titanium, GT-115 Burnt Titanium, GT-115 Cerakote Black, GT-115 Polished, JET-115 Carbon Fibre\u003c\/li\u003e\n\u003cli\u003eDesigned, developed and manufactured in the UK by Milltek Sport\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBMW 8 Series M8 \u0026amp; M8 Competition 4.4l V8 Twin Turbo F91 \u0026amp; F92 Coupe \u0026amp; Cabrio (OPF\/GPF Equipped Cars Only) (2020 onwards)\u003c\/li\u003e\n\u003cli\u003eBMW 8 Series M8 \u0026amp; M8 Competition 4.4l V8 Twin Turbo F93 Gran Coupe LCI (OPF\/GPF Equipped Cars Only) (2021 onwards)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e any model, engine or body style not listed above. Check your car before ordering.\u003c\/p\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes a fitting time of approx. 2 to 3 hours. Some versions: OPF\/GPF Back System with valved Rear Silencer Bypass \u0026amp; GT-115 Brushed Titanium Trims (OE requires cutting). Some versions: OPF\/GPF Back System with valved Rear Silencer Bypass \u0026amp; GT-115 Burnt\/Blue Titanium Trims (OE requires cutting). Some versions: OPF\/GPF Back System with valved Rear Silencer Bypass \u0026amp; GT-115 Cerakote Black Trims (OE requires cutting). Some versions: OPF\/GPF Back System with valved Rear Silencer Bypass \u0026amp; GT-115 Polished Trims (OE requires cutting). We recommend professional fitting on a ramp. Once fitted, check the tailpipe alignment and re-check all clamps after the first few hundred miles.\u003c\/p\u003e\n\u003ch3\u003eUpgrade Further\u003c\/h3\u003e\n\u003cp\u003eAlso available from Milltek for this car: \u003ca href=\"\/products\/milltek-gpf-opf-bypass-bmw-8-series-m8-comp-4-4-v8-twin-turbo-f91-f92-coupe-cabrio-opf-gpf-20\"\u003eMilltek GPF\/OPF Bypass BMW 8 Series M8 \u0026amp; M8 Comp 4.4l V8 Twin Turbo F91 \u0026amp; F92 Coupe \u0026amp; Cabrio OPF\/GPF 20+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhich tailpipe finishes are available?\u003c\/h3\u003e\n\u003cp\u003eYou can choose from: GT-115 Brushed Titanium, GT-115 Burnt Titanium, GT-115 Cerakote Black, GT-115 Polished, JET-115 Carbon Fibre. The finish is cosmetic and does not change the sound.\u003c\/p\u003e\n\u003ch3\u003eWill it fit the BMW 8 Series M8 \u0026amp; M8 Competition 4.4l V8 Twin Turbo F93 Gran Coupe LCI (OPF\/GPF Equipped Cars Only)?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek lists this part for the BMW 8 Series M8 \u0026amp; M8 Competition 4.4l V8 Twin Turbo F93 Gran Coupe LCI (OPF\/GPF Equipped Cars Only) as well as the other models in the fitment list above.\u003c\/p\u003e\n\u003ch3\u003eIs it road legal?\u003c\/h3\u003e\n\u003cp\u003eMilltek does not list EC approval for this part. Any exhaust used on the road must still meet noise and emissions rules, so check the requirements where you live.\u003c\/p\u003e\n\u003ch3\u003eDo I need a remap?\u003c\/h3\u003e\n\u003cp\u003eNo. It fits behind the factory particulate filter, so no software changes are needed.\u003c\/p\u003e\n\u003ch3\u003eDoes it keep the factory particulate filter?\u003c\/h3\u003e\n\u003cp\u003eYes. It fits behind the factory particulate filter, which stays in place.\u003c\/p\u003e\n\u003ch3\u003eHow long does it take to fit?\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes approx. 2 to 3 hours.\u003c\/p\u003e\n\u003ch3\u003eWhat is it made from?\u003c\/h3\u003e\n\u003cp\u003eT304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration better than lower grades.\u003c\/p\u003e\n\u003ch3\u003eIs there a warranty?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek products are covered against defects in materials and workmanship. Contact us with your order number if you have a problem.\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"GT-115 Brushed Titanium","offer_id":56392784281985,"sku":"MIL-SSXBM1187","price":3374.84,"currency_code":"GBP","in_stock":true},{"title":"GT-115 Burnt Titanium","offer_id":56392784314753,"sku":"MIL-SSXBM1188","price":3501.14,"currency_code":"GBP","in_stock":true},{"title":"GT-115 Cerakote Black","offer_id":56392784347521,"sku":"MIL-SSXBM1186","price":3135.36,"currency_code":"GBP","in_stock":true},{"title":"GT-115 Polished","offer_id":56392784380289,"sku":"MIL-SSXBM1185","price":2845.87,"currency_code":"GBP","in_stock":true},{"title":"JET-115 Carbon Fibre","offer_id":56392784413057,"sku":"MIL-SSXBM1189","price":3433.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3232\/7161\/files\/SSXBM1187_1.jpg?v=1791892473","url":"https:\/\/milltekexhaustshop.com\/products\/milltek-filter-back-exhaust-bmw-8-series-m8-comp-4-4-v8-twin-turbo-f91-f92-coupe-cabrio-opf-gpf-20","provider":"Milltek Exhaust Shop","version":"1.0","type":"link"}