BMW M340i M440i 540i G Series Decat Downpipe
Unlock serious performance and sound with this high flow decat downpipe for BMW G Series M340i, M440i and 540i models. Designed to reduce back pressure and improve exhaust flow, this catless downpipe delivers a sharper exhaust note, stronger performance potential and a more engaging driving experience. It is fully heatshielded to help decrease engine bay temperatures and support consistent performance.
Key Features
- High flow decat downpipe for BMW G Series M340i, M440i and 540i
- Integrated heat shielding to reduce under bonnet temperatures
- Constructed from durable stainless steel for long term reliability
- Large 4.5 inch diameter for maximum exhaust gas flow
- Improved exhaust tone with a more aggressive, sporty sound
- Performance focused design to support increased power output
Why Choose This BMW Decat Downpipe
If you are searching for BMW M340i decat, BMW M440i decat or BMW 540i decat downpipe, this G Series cat delete is built to deliver. The 4.5 inch stainless steel construction provides significantly freer flow compared to the factory catalytic converter, while the heatshielding helps control engine bay temps for repeatable performance. It is a proven upgrade that enthusiasts choose when looking for a BMW G Series downpipe, BMW catless downpipe or BMW decat pipe to enhance both performance potential and sound.
We have fitted and used this decat downpipe ourselves and customer feedback has been excellent, praising the quality, fit and the transformation in exhaust character. For those searching terms like BMW M340i downpipe, BMW M440i downpipe, BMW 540i downpipe, G Series downpipe and cat delete, this is the go to performance exhaust upgrade.
Compatibility
Suitable for BMW G Series models:
- BMW M340i G Series
- BMW M440i G Series
- BMW 540i G Series
Also commonly searched as: BMW G Series decat, BMW G Series catless downpipe, BMW 3 Series G decat, BMW 4 Series G decat, BMW 5 Series G decat, BMW downpipe upgrade, BMW straight pipe downpipe.
Fitting and Support
Professional installation recommended. We offer fitting at Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.
Notes
This product is intended for off road use only.
Disclaimer: Purchases of Decat Downpipes are not recommended for road use but only off road use.