Remus Sport Axle-Back Rear Box/Backbox Exhaust, Left & Right Pair, Quad Exit 4x84mm Tailpipes, Stainless Steel, ECE Approved – BMW X3 F25 xDrive 35i 225kW 2010-2017 (Petrol, Non-GPF/OPF) Rear Muffler/Silencer Upgrade

Remus Rear Box with Quad 84 mm Outlets for BMW X3 F25 xDrive 35i (2010-2017) - ECE Type Approved

Transform your X3 with a premium rear section from Remus. This left and right sports muffler set with four 84 mm outlets serves up a deeper, sportier soundtrack and a high quality finish that looks as good as it sounds. Built from stainless steel, shot blasted for durability and hand crafted in Austria, it delivers the refined Remus tone enthusiasts want with optimised flow and reduced back pressure for sharper response. Road legal with ECE approval and designed for a clean, bolt-on fit to factory mounting points.

We have fitted this setup ourselves at MJ Modifications and feedback from our BMW customers has been excellent. Expect a tasteful upgrade in volume, a purposeful idle and a confident note under throttle, all while retaining everyday usability.

Why choose this rear section

• Sporty, rich acoustics with the trademark Remus character
• Stainless steel construction with shot blasted surface for longevity
• Low back pressure design for improved gas flow
• Precise fitment and lightweight build quality
• Handmade in Austria with meticulous attention to detail
• ECE type approved for UK and EU road use
• For vehicles without GPF/OPF

Compatibility

• Vehicle: BMW X3
• Platform: F25
• Variant: xDrive 35i
• Output: 225 kW
• Years: 2010-2017

What you get

Rear silencer left and right with quad 84 mm outlets (two per side).

Tailpipe styles

• 4 x Ø84 mm straight, carbon insert
• 4 x Ø84 mm angled, carbon ring
• 4 x Ø84 mm straight, Black Chrome, carbon insert
• 4 x Ø84 mm carbon, angled, titanium internals
• 4 x Ø84 mm angled, rolled edge, chrome

Professional installation

Want it fitted properly first time? Book a fitting with MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk.

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