Remus Racing Resonated Valved Cat Back Exhaust for BMW 1 Series M135i (F20/F21 LCI, N55, 2012-2015) Stainless Steel, Twin 84mm Street Race Black Chrome Carbon Tips, EC Approved

Remus Sport Catback With Valve Control for BMW M135i F20 F21 LCI

Transform the character of your turbocharged N55-powered M135i with this Remus sports exhaust system. Precision built in corrosion-resistant steel with a resonated centre section and a flap-controlled rear box, it delivers a rich, spirited tone under load while remaining refined on the motorway. The factory valve actuator is retained, so sound levels adapt seamlessly with your BMW Driving Experience Control settings for daily comfort and weekend thrills.

Key benefits

• Valve-controlled rear silencer integrates with the OE actuator for Comfort, Sport and Sport Plus behaviour
• Resonated mid section for a deep, refined soundtrack with minimal cabin boom
• High-quality steel construction, TIG-welded for durability and a premium finish
• Improved gas flow for sharper throttle response and a more engaging drive
• EC type-approved for road use in the UK and Europe
• Twin 84 mm Street Race outlets in black chrome with carbon sleeves for an aggressive, motorsport-inspired look

Who is it for

Perfect for 1 Series enthusiasts who want a valved performance system that looks OEM-plus, keeps motorway manners, and unlocks the straight-six character of the N55 without unwanted drone. Ideal as an upgrade from a stock system or as the finishing touch to a stage 1 or stage 2 build.

Tailpipe specification

Two outlet tips, 84 mm diameter, Street Race straight-cut design, black chrome finish with carbon fibre sleeves.

Compatibility

• BMW 1 Series M135i hatchback, F20 3-door and F21 5-door
• LCI facelift models with N55B30 engine, 240 kW
• Model years 2012 to 2015

What our customers say

We have installed this system on multiple M135i builds at MJ Modifications and feedback is consistently positive. Owners love the cold start bark, the mature tone in Comfort, and the aggressive note when the flap opens in Sport. Fit and finish are superb, and the black chrome carbon tips complete the rear end perfectly.

Installation and support

Professional fitting recommended. Book your installation with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Why buy from us

• Enthusiast-run workshop with hands-on experience of BMW F-series exhaust upgrades
• Advice on pairing with panel filters, downpipes and software while keeping drivability
• Aftercare and support you can rely on

Common search terms

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