Remus Valved Performance Rear Sport Exhaust Silencer - BMW F40 M135i xDrive, F44 M235i xDrive Gran Coupe & MINI F54 JCW Clubman ALL4 - Stainless Steel Axle-Back/GPF-Back | EC Approved or Racing Non-EC

Valved Stainless Rear Box Upgrade for BMW F40 M135i xDrive, F44 M235i xDrive Gran Coupe and MINI F54 JCW Clubman ALL4

Transform the soundtrack and responsiveness of your hot hatch with this premium valved rear section from Remus. Crafted in Austria from shot blasted stainless steel, this flap-controlled back box delivers a deeper, sportier tone on throttle and a civilised note for daily driving. It bolts to the factory pipework behind the gasoline particulate filter, keeps your drive modes intact and looks fantastic with a choice of stylish tailpipe trims.

Vehicle suitability

• BMW 1 Series F40 M135i xDrive with GPF
• BMW 2 Series F44 M235i xDrive Gran Coupe with GPF
• MINI F54 LCI JCW Clubman ALL4 with GPF

Choose your specification

• Type-approved Sport version for road use where permitted
• Race-only Non EC version for track and closed-course use

Why enthusiasts pick this rear section

• Powerful, motorsport-inspired tone with reduced back pressure for sharper throttle response
• Active valve integrates with the original actuator for OEM-style control through factory drive modes
• High grade stainless construction, shot blasted finish and precision welds for long-term durability
• Lighter than stock with OE-level fit and alignment
• Designed and handmade in Austria with a 24 month Remus warranty

We have fitted and run these systems ourselves and customer feedback has been consistently excellent for sound quality, finish and everyday usability. If you are searching for a BMW F40 M135i back box upgrade, F44 M235i Gran Coupe rear muffler, MINI JCW Clubman ALL4 sports rear silencer, valved muffler, stainless performance rear section, bolt-on exhaust upgrade or a post-GPF rear setup, this is the proven choice.

System layout and required parts

• Post-GPF rear section:
  • Remus connection tube for mounting is mandatory
• Track-focused setup with GPF replacement section:
  • Remus connection tube for mounting is mandatory
  • Remus non resonated GPF replacement section is required

F44 M235i xDrive Gran Coupe also needs the specific rear tailpipe adaptor.

Tailpipe finishes to complete the look

• Straight cut chrome
• Chrome with rolled edge
• Angled cut carbon with titanium insert
• Carbon with titanium insert
• Angled cut chrome

Technical information

• Original tube diameter: 70 mm
• Remus tube diameter: 70 mm

Part numbers

• 754019 1500 Sport EC Approved
• 754519 1500 Racing Non EC Approved

Important notes

• No coding required for valve operation. Uses the OE actuator and vehicle electronics
• When combining rear sections with cat-back components or GPF replacement parts for closed-road or track use, an ECU calibration is advisable to maximise performance and avoid warning lights
• Racing parts and items without EC approval are generally not permitted on public roads

Fitment confirmation

We verify compatibility before dispatch. Add your UK registration or the last 7 digits of your VIN at checkout so we can double-check the correct parts for your car.

Professional installation

For expert fitting in the Midlands, book with MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk.

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