Remus Quad Exit Axle-Back Exhaust Rear Silencer/Back Box, 4x84mm Tips/Tailpipes, Stainless Steel, ECE/EEC Approved, Bolt-On, for BMW X3 F25 (2011-2017) xDrive 30d/28i – Non-GPF/OPF Performance Muffler Upgrade

Remus Quad Exit Rear Box for BMW X3 F25 2011 to 2017

Give your BMW X3 a sharper voice and a more assertive rear end with the Remus quad exit rear box. This Austrian made stainless steel axle back assembly features four 84 mm tail trims and a precision engineered canister that enhances tone, improves gas flow and looks factory plus. ECE type approved for road use and designed to bolt straight onto the F25 chassis, it is a high quality, durable upgrade that copes effortlessly with UK conditions.

Why it stands out

• Sporty, deeper soundtrack with a refined cruise and no intrusive cabin boom
• Optimised flow path for reduced back pressure and sharper throttle response
• Full stainless construction with a shot blasted exterior for long term corrosion resistance
• Lighter than the OE rear silencer for an efficiency focused upgrade
• Exact fit on the F25 platform with OE style hangers and connections
• Handcrafted in Austria with superb weld quality and attention to detail
• ECE type approval for road legality and peace of mind

Vehicle compatibility

• BMW X3 F25 xDrive 30d 190 kW 2011 to 2017
• BMW X3 F25 xDrive 28i 180 kW 2012 to 2017

Important: Only suitable for vehicles without a petrol or gasoline particulate filter GPF/OPF.

84 mm tail trim options

• 4 x 84 mm straight with carbon insert
• 4 x 84 mm angled slash cut with carbon ring
• 4 x 84 mm black chrome straight with carbon insert
• 4 x 84 mm full carbon angled with titanium internals
• 4 x 84 mm angled rolled edge chrome

Real world results

We have installed this Remus rear box on customer X3s and it consistently delivers a richer tone, a smarter quad finish and a perfect fit. Owners love the sound quality and the premium look of the tip options.

Professional fitting

Want it fitted properly first time. Book in with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote or to confirm compatibility for your exact X3.

Search friendly terms

BMW X3 F25 quad tip exhaust, X3 30d muffler upgrade, xDrive diesel sport exhaust, X3 28i axle back system, quad exit 84mm tips, stainless rear box, Remus Austria exhaust, ECE approved exhaust UK, non GPF rear silencer, OPF free models, BMW X3 F25 quad conversion, performance backbox, BMW X3 tailpipe upgrade, carbon tips for X3, black chrome tips for X3, bolt on fitment F25 chassis, BMW X3 sound upgrade, X3 3.0d exhaust system, 2.8i petrol exhaust, left and right outlet rear box, UK installer Warwickshire.