Remus Axle-Back Rear Silencer/Back Box Sports Exhaust for SEAT Leon Cupra 280/290/300 Mk3 5F 2.0 TSI (2014–on) Non-OPF/Non-GPF – Twin Oval 142x72mm Angled Chrome Tips – 70mm Stainless Steel – ECE/EU Type Approved – Performance Rear Muffler Twin Exit

Remus Sports Rear Section for Seat Leon Mk3 Cupra 5F 2.0 TSI — Twin Oval Chrome Tailpipes 142 x 72 mm — 70 mm Stainless — EU Type Approved — For Non-GPF Cars

Give your Mk3 Seat Leon Cupra the soundtrack and finish it deserves with this Austrian-built Remus rear section. This axle-back sports muffler unlocks a deeper, richer note, crisper throttle response thanks to reduced back pressure, and a premium twin-oval outlet look that fills the diffuser perfectly. It is a direct-fit rear box upgrade for 5F Cupra 2.0 TSI models and is road legal with EU type approval.

Crafted from high-grade stainless steel with a 70 mm tube diameter and a shot-blasted surface, the Remus unit is engineered for durability and consistent performance. The twin 142 x 72 mm angled chrome-plated tips deliver a factory-plus aesthetic while keeping things tasteful. We run Remus on our own builds and customer cars and the feedback on sound quality, fitment and finish has been outstanding.

Why enthusiasts choose this system

• Sportier tone without drone — refined at cruise, assertive on throttle
• Improved gas flow from optimised internals and 70 mm pipework
• Twin oval chrome outlets for a premium OEM+ rear end appearance
• Stainless construction with shot-blasted surface for long-term corrosion resistance
• Handmade in Austria — precise build quality and consistent fit
• EU ECE type approved for road use — no hassle MOT sound compliance
• Direct bolt-on axle-back fitment for the 5F platform

Vehicle compatibility

• Model: Seat Leon Cupra Mk3 (5F) — 3 door and 5 door
• Engine: 2.0 TSI — approx. 213 kW
• Engine code: DNU
• Year: 2014 onwards
• Configuration: Left and Right outlet rear section
• GPF: Only suitable for vehicles without a petrol particulate filter

Key specifications

• System type: Rear silencer / backbox (axle-back)
• Tailpipes: Twin oval 142 x 72 mm, angled, chrome finish
• Piping diameter: 70 mm
• Approval: ECE/EU type approved
• Finish: Shot-blasted stainless steel

Fitment notes

• Non-GPF models only
• Pairs perfectly with a 200 cpsi sports catalyst if you are chasing additional flow
• Professional installation recommended for best alignment of the twin outlets

Optimised for what you search for

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Fitting service

Have it installed by specialists. MJ Modifications in Warwickshire offer professional fitting and alignment. Request a quote: info@mjmodifications.co.uk.

Buy with confidence

We have fitted and tested Remus systems extensively and our customers love the refined sound, flawless build and perfect tip positioning. If you want a high-quality, road-legal performance rear section for your Seat Leon Cupra 5F that looks and sounds right, this is the upgrade to choose.