Scorpion Turbo Downpipe for BMW M140i/M240i (F20 F21 F22 F23, B58) Stainless Steel 100mm

High-Flow Front Pipe Upgrade for BMW M140i and M240i B58

Unlock sharper response and a richer exhaust tone with this premium stainless 100 mm 4 inch turbo outlet front pipe, tailored for the BMW 1 Series M140i and 2 Series M240i B58 in F20 F21 F22 F23 platforms, including xDrive. Choose between a sport catalyst or a catless straight-through option to suit your build goals. Designed to connect directly to the factory rear section or a Scorpion cat-back, it reduces back pressure for faster spool and crisper throttle feel while keeping daily drivability intact.

Searching for M140i sport cat, M140i catless pipe, M240i sport cat, M240i decat pipe, B58 front pipe, BMW 1 Series F20 F21 exhaust upgrade, BMW 2 Series F22 F23 performance exhaust, M140i stage 2 hardware or M240i down pipe UK fitment? This is the go-to B58 hardware choice. We install these in-house at MJ Modifications and feedback is consistently positive on fitment, finish and the way it livens up the B58 without fuss.

Why Enthusiasts Choose This Upgrade

• Available as sport cat or catless configuration to match your tuning path
• Large 100 mm 4 inch pipework for outstanding flow and reduced restriction
• Direct connection to OE exhaust or Scorpion rear sections for hassle-free fit
• Noticeable weight saving vs stock: OEM 4.8 kg vs Scorpion 3.1 kg for a 1.7 kg reduction
• Transforms soundtrack with a deeper, more purposeful note
• Ideal foundation for B58 stage 2 calibration and supporting mods

Vehicle Compatibility

• BMW M140i F20 F21 B58 2016 to 2020 including xDrive
• BMW M240i F22 F23 B58 including xDrive
• Non GPF OPF models

Technical Highlights

• Product type: turbo outlet front pipe down pipe
• Diameter: 100 mm 4 inch stainless steel
• Fits to: OE factory system or Scorpion cat-back
• Closed circuit item for competition, track and off-road environments
• Note: Engine management light may illuminate without appropriate software. Stage 2 ECU calibration recommended.

Real-World Results

We have fitted multiple units at MJ Modifications and our customers praise the premium construction, precise alignment on the car and the immediate improvement in turbo response. It is a proven B58 exhaust upgrade for anyone chasing better flow and a stronger soundtrack.

Professional Installation

For fitting and setup, book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Important Information

Intended for closed course use only. Not approved for public road use. Non GPF OPF vehicles only. An ECU recalibration is advised to optimise performance and prevent warning lights.

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