The Decat downpipe was developed for BMW models with the 2.0T B48 engine, meeting the original Euro 5 standard. This downpipe replaces the original catalytic converter and significantly improves exhaust gas flow. It features two connections and is designed as a direct replacement for the OEM exhaust system.

Advantages

• Decat version for maximum exhaust flow
• Suitable for B48 engines (Euro 5)
• Improved exhaust gas flow
• Direct mounting within OEM configuration
• Equipped with 2 connections

Technical specifications

• Type: Downpipe without catalytic converter (decat)
• Engine: BMW B48
• Emission standard: Only for models according to the original Euro 5 standard
• Motor side connection: 115/100 mm
• Connection exhaust side: 75 mm
• Number of connections: 2

Compatibility

BMW 1 Series
• F20 / F21 120i / 125i – B48 (2015–2019)

BMW 2 Series
• F22 / F23 220i / 230i – B48 (2016–2021)

BMW 3 Series
• F30 / F31 / F34 318i / 320i / 320i xDrive / 330i xDrive – B48 (2016–)
• G20 / G21 320i / 320i xDrive / 330i xDrive – B48 (2016–)

BMW 4 Series
• F32 / F33 / F36 420i / 430i / 430i xDrive – B48 (2016–2020)
• G22 / G23 / G26 420i / 430i / 430i xDrive – B48 (2021–)

BMW 5 Series
• G30 520i / 530e Plug-in Hybrid / xDrive – B48 (2016–06.2019)

BMW 6 Series
• G32 630i – B48 (2017–2020)

BMW X Models
• X3 G01 sDrive20i / xDrive20i / xDrive30i – B48 (2017–)
• X4 G02 xDrive20i / xDrive30i – B48 (2018–)

Contents

• Decat downpipe

Frequently Asked Questions

Is this downpipe suitable for Euro 6 models?
No, only for models that comply with the original Euro 5 standard.

Is tuning necessary?
Yes, when fitting a decat downpipe, modified ECU software is necessary to prevent error codes.

Does this downpipe have sensor connections?
Yes, the downpipe has two connections.