BMW M135i Downpipe Decat Exhaust - Cobra Sport

BMW M135i Downpipe Decat Exhaust - Cobra Sport

Regular price £291.58 £262.42 inc. VAT £218.68 excl. VAT

BMW M135i Downpipe Decat Exhaust From Cobra Sport

Unlock the true tuning potential of your BMW M135i F20 with the Cobra Exhaust Decat downpipe upgrade. Replace the restrictive catalytic convertor with the free-flowing decat downpipe for ultimate performance and power gains.

Cobra Sports performance exhausts enhance the sound, looks and quality of your vehicle giving you the ultimate driving experience. Our sports exhaust range is fully guaranteed to give you assurance of our quality.

This BMW M135i performance exhaust is made in 3"/76.2mm pipework and fits from the turbo to the centre exhaust to replace the standard catalyst.

This de-cat sports exhaust is sold for motorsport and off-road use only and will NOT be able to pass a UK MOT emissions test or police roadside checks. This exhaust, however, is also available as a high flow sports catalyst version, which will pass these checks.

All relevant fittings and gaskets are supplied.

Please select the year of your M135i from the drop down menu.

Dyno Results

Proven to increase power on a stock vehicle with just a decat installation.

Before dotted line - 301whp | 306lbft

After solid line - 321whp | 334lbft

An increase of 20whp and 28lbft


Check out the full BMW M135i Exhaust collection.

Require Fitting?

If you would like us to fit the Cobra Downpipe Decat Exhaust for the BMW M135i, then get in touch with a member of the team to arrange it for you. Our expert technicians will have no problem fitting it and will allow you to have peace of mind.

Contact us?

You can contact a member of our team using our Contact page.

Please note this exhaust is designed for motorsport use only. You will not pass a UK emissions test or police road side check with this exhaust installed on the vehicle.

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