Scorpion Exhaust Sports Cat/De-Cat Turbo Downpipes for BMW M3 F80 & M4 F82 F83 (2014-2018) Non-GPF/OPF S55 70mm 2.75"

Scorpion high-flow turbo outlet pipes for BMW F80 M3 and F82 F83 M4 S55, 2014 to 2018

Give your S55-powered M car the response, character and performance it deserves. These Scorpion turbo outlet pipes are available with a high-flow sports catalyst or as a catless track option, transforming throttle response, improving turbo spool and releasing a deeper, more purposeful straight-six soundtrack. Designed for cars without a particulate filter, they are a proven upgrade for drivers who want real-world gains and an addictive tone.

As a British performance brand with serious motorsport pedigree, Scorpion delivers precision build quality, excellent fit and a finish enthusiasts trust. We have installed these systems at MJ Modifications and our customers consistently report sharper response, a stronger mid-range and a more engaging drive.

Highlights

• Choice of high-flow sports catalyst or catless track version
• S55 twin-turbo six application for F80 saloon and F82 F83 coupe and convertible
• 70 mm, 2.75 inch tubing for improved gas flow and sound
• Compatible with factory exhaust or Scorpion cat-back systems
• Clean, precise fit for a straightforward install
• Enhances tone with a more motorsport-inspired note

Fitment

• Models: BMW M3 F80, BMW M4 F82, BMW M4 F83
• Years: 2014, 2015, 2016, 2017, 2018
• For vehicles without GPF or OPF
• Joins to OEM rear section or Scorpion cat-back
• Note: Cutting of the OE system is required unless pairing with Scorpion cat-back part numbers SBMS073 or SBMS073C

Technical info

• Pipe diameter: 70 mm, 2.75 inch
• Weight comparison: OEM 8.3 kg vs Scorpion 9.4 kg, 1.1 kg difference
• Engine management light may illuminate. A Stage 2 ECU calibration is recommended

Choosing the right option

Sports catalyst: The high-flow cat helps reduce emissions while significantly improving flow and tone. Ideal for fast road and spirited driving.

Catless track version: Maximum flow and the most aggressive soundtrack for closed-course and motorsport use. Please check local regulations and intended use.

Installation and support

Professional fitting available at MJ Modifications in Warwickshire. For a fitting quote or advice, email info@mjmodifications.co.uk.

What owners say

Installed by our team with excellent fitment. Customer feedback highlights crisper throttle response, faster turbo spool and a richer, more engaging exhaust note.

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