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BMW 420D Dual Exit Rear Exhaust


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Part number: BM71

BMW 420D Performance Exhaust (Inc. 2WD & X-Drive models).

BMW 420D to 435 Exhaust Style Conversion.

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

This BMW 420D performance exhaust is made in 2.25"/57.15mm pipework and fits from the centre section backwards replacing the standard rear section with dual exit tailpipes.

Tailpipes - TP47 - twin 3.5" (88.9mm).

This exhaust will only fit with the M-Sport rear bumper and 435 M-Sport lower rear panel which is available from your local BMW dealer (Part No. - B51.

All relevant fittings and gaskets are supplied.

Note - The original pipework will have to be cut to enable this exhaust to fit the vehicle.



Cobra Sport have now added the BMW 420D to their ever popular range of dual exit conversions with the launch of a BMW 435i style dual exit conversion. For those seeking to achieve the more aggressive and sporty look of the 435i to the rear end of their 420D, Cobra Sport now offer a dual exit rear box cosmetic upgrade section which makes a bold statement.

This exhaust has been designed to fit neatly with the M-Sport rear bumper and the 435i M-Sport lower rear panel (available separately). Once fitted, the new 420D exhaust system and replacement body panels look entirely at home on the car and gives the 420D a much sportier edge. This conversion which will fit the 2WD & X-Drive models, is the latest in our range of cosmetic upgrades for BMW models and is available as a direct fit rear box section.

Matt Thomas, Cobra Sport’s Sales Manager says “We’ve seen a growing trend of people wanting to achieve the look of the more recognisable 435’s dual exit exhaust on the more economical diesel model, our dual exit exhaust conversion allows them to achieve the look with this fantastic cosmetic upgrade”.

The Cobra Sport system produces a slightly deeper exhaust tone than the O/E system but keeps sound levels very similar. During the 4,000rpm static test the levels remained the same at 78db and at idle the test recorded only a +2db increase registering 59db.

The new dual exit exhaust for the 420D is finished with round 3.5” (88.9mm) highly polished T304 stainless steel tailpipes which further enhance the appearance the car and match the styling of the popular M-Sport models.


Example of BMW 420D Sports exhaust.

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