Cobra Sport 3" Secondary De-Cat Bypass Performance Exhaust for BMW M3 F80 2014-2018
Unlock the sound and character your BMW M3 F80 deserves with the Cobra Sport 3 inch secondary de-cat bypass. This performance exhaust upgrade replaces the restrictive secondary catalysts with free-flowing 76.2 mm pipework to enhance exhaust flow, sharpen response and deliver an aggressive, motorsport-inspired tone that M3 owners want from a proper cat delete upgrade.
Perfect for track and off-road use, this Cobra Sport secondary decat for the BMW M3 F80 offers a dramatic improvement in exhaust note and driving feel. We have fitted this setup for customers and the feedback on sound quality and build quality has been excellent.
Key features
- Made in 3 inch 76.2 mm bore pipework
- Replaces the secondary catalytic converters secondary cat bypass secondary decat
- Designed for BMW M3 F80 2014, 2015, 2016, 2017, 2018 pre-PPF vehicles only
- Improved exhaust flow and a deeper, louder, more aggressive M3 exhaust sound
- All relevant gaskets and fittings supplied, plus OEM gasket requirement noted below
- Built by Cobra Sport for a high-quality fit and finish
Fitment and compatibility
BMW M3 F80 Saloon 2014-2018. Fits pre-PPF vehicles only. This is a secondary catalyst delete secondary cat removal solution that connects to the factory system while removing the second set of catalytic converters.
What you need to know
- This de-cat sports exhaust is for motorsport and off-road use only. It will not pass a UK MOT emissions test or police roadside checks.
- EML check engine lights may activate after removing the standard second O/E catalyst. An ECU remap is recommended to correct this and stabilise any power changes.
- Requires 2 x BMW gasket part number 18307851168. All other relevant gaskets and fittings are supplied.
Professional fitting
For expert installation, book fitting with Nforcd in Warwickshire. Request a quote at Sales@nforcd.com. We install performance exhausts daily and can advise on ECU solutions for EML lights after secondary cat delete.
Why choose this Cobra Sport secondary decat for your BMW M3 F80
- Transformative sound on throttle with a crisp, motorsport-style tone
- Free-flowing 3 inch pipework reduces back pressure compared with the OE secondary cats
- Track-focused upgrade that pairs well with other performance mods
- Tried and loved by our customers who want the ultimate M3 F80 exhaust upgrade
Search-friendly terms customers use
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Legal notice: For motorsport and off-road use only. Not road legal in the UK. Will not pass MOT emissions testing or roadside checks.