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Remus Axle-Back Exhaust Back Box/Rear Silencer/Muffler for BMW X3 F25 (2012-2014, 105 kW, non-OPF/GPF) – Quad Exit 84mm Tailpipes, Austrian-Made Stainless Steel, ECE Type Approved, Direct-Fit Performance Upgrade
Remus Axle-Back Exhaust Back Box/Rear Silencer/Muffler for BMW X3 F25 (2012-2014, 105 kW, non-OPF/GPF) – Quad Exit 84mm Tailpipes, Austrian-Made Stainless Steel, ECE Type Approved, Direct-Fit Performance Upgrade
Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.
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Quad Exit Rear Box Upgrade for BMW X3 F25 - Austrian-built Stainless Sport System, ECE Type Approved
Give your BMW X3 F25 the soundtrack and presence it deserves with this premium rear section from Remus. This axle-back rear box converts your X3 to a striking quad outlet setup with 84 mm tips, delivering a deeper, sportier tone, reduced restriction and a refined look that suits the F25 perfectly. Built from high grade stainless steel with a bead-blasted finish and engineered specifically for 2012 to 2014 105 kW non-OPF cars, it is a direct-fit upgrade that looks and sounds superb on the road.
Key reasons to choose this rear section
- Distinctive quad tailpipe conversion for a purposeful OEM plus appearance
- Sporty sound profile with a rich, deeper note under load and minimal drone
- Reduced flow restriction for sharper throttle response and improved drivability
- Premium stainless construction for longevity and corrosion resistance
- Austrian-built quality with precise fit to BMW X3 F25 mounting points
- ECE type approval for road use in relevant markets
- Supplied with fittings as provided by the manufacturer for a clean installation
We run Remus systems on our own cars and our customers consistently praise the sound, finish and fit. If you want an X3 that looks more aggressive and sounds more alive without compromising day-to-day refinement, this is the right rear box upgrade.
Compatibility
- Model: BMW X3
- Chassis: F25
- Years: 2012, 2013, 2014
- Power: 105 kW
- Only for vehicles without GPF or OPF
Tailpipe choices - 84 mm outlets
- Straight tips with carbon fibre insert
- Slash cut tips with carbon ring
- Black chrome straight tips with carbon insert
- Carbon fibre slash cut with titanium internals
- Slash cut rolled edge in bright chrome
In the box
- Left and right rear silencers
- Four 84 mm tail trims in your chosen finish
- Mounting hardware supplied by Remus
Professional fitting
Prefer us to install it for you? Book expert fitting at MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.
Search terms to help you find this upgrade
BMW X3 F25 back box, BMW X3 quad tip conversion, X3 F25 rear muffler, BMW X3 performance rear section, X3 F25 sport exhaust tips, quad 84 mm exhaust trims, stainless rear silencer BMW X3, ECE approved X3 exhaust, Austrian made exhaust BMW, BMW X3 axle back system, BMW X3 F25 sound upgrade, BMW X3 2012 2013 2014 exhaust rear, non OPF X3 exhaust, UK BMW exhaust specialists, Warwickshire exhaust fitting, premium quad outlet BMW X3 F25.
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