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Remus Non-Resonated Axle-Back Rear Silencer/Back Box | Quad 84mm Tips/Tailpipes Performance Muffler | Seat Leon 5F Mk3 2.0 TDI CUPA 135kW 2013-2016 (Diesel, Pre-Facelift, No GPF) | Stainless Steel Quad Exit, Direct Fit, ECE/EEC Approved
Remus Non-Resonated Axle-Back Rear Silencer/Back Box | Quad 84mm Tips/Tailpipes Performance Muffler | Seat Leon 5F Mk3 2.0 TDI CUPA 135kW 2013-2016 (Diesel, Pre-Facelift, No GPF) | Stainless Steel Quad Exit, Direct Fit, ECE/EEC Approved
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Sports rear box for Seat Leon Mk3 5F 2.0 TDI CUPA 135 kW 2013 to 2016 with quad 84 mm outlets
Give your 5F Leon diesel a proper soundtrack and a sharper look with this non resonated rear section. Precision built in Austria from shot peened stainless steel, this axle back rear box replaces the OE silencer with a freer flowing, lighter assembly that unlocks a deeper, sportier tone and a much more purposeful quad exit appearance. ECE type approved for road use where applicable.
- Non resonated rear section for a stronger, motorsport inspired sound
- Four 84 mm tips for a clean, aggressive finish at the back
- Shot peened stainless construction for corrosion resistance and longevity
- Reduced restriction for crisper throttle response and improved drivability
- Weight saving versus factory rear silencer
- Direct fit to the OEM system with precise fitment
- Crafted in Austria by exhaust specialists
- ECE homologated
Fitment and compatibility
- Vehicle: Seat Leon Mk3 5F hatchback 3 door and 5 door
- Engine: 2.0 TDI CUPA 135 kW
- Model years: 2013, 2014, 2015, 2016
- Pre facelift only
- For vehicles without GPF
Tailpipe options
- 4 x 84 mm straight, carbon insert
- 4 x 84 mm angled, carbon ring
- 4 x 84 mm Black Chrome, straight, carbon insert
- 4 x 84 mm carbon, angled, titanium internals
- 4 x 84 mm angled, rolled edge, chrome finish
Installation notes
- Factory rear valance can be retained. Trimming is required using the supplied template and instructions.
Why enthusiasts choose this upgrade
Looking for a Seat Leon 5F backbox upgrade, diesel sports exhaust, quad exit rear box, or axle back rear section for the CUPA engine code Leon Mk3 This system delivers the rich tone and premium finish people want without drone. The four 84 mm outlets fill the bumper perfectly for that OEM plus look, while the free flow design sharpens response and adds character to every gear change.
Proven on customer cars
We fit these systems at MJ Modifications and feedback has been outstanding. Owners rate the build quality, the easy fit, the refined yet assertive sound, and the transformation to the rear end styling.
Professional fitting
Prefer supply and fit by specialists Book your install with MJ Modifications in Warwickshire. Request a quotation at info@mjmodifications.co.uk.
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