The exhaust flexi pipe is a flexible tube usually made of stainless steel, which is giving the exhaust line enough flexibility during the movement of the vehicle. This helps to limit the cracks that could appear in the exhaust system if the pipe was rigid, or avoid damaging other parts to which it is attached.
The exhaust flexi pipe absorbs vibrations produced by the engine, preventing the other components to be affected.
The exhaust flexi pipe is made in braided steel, which allows it to give this flexibility. The braiding can be double or triple depending on the type of vehicle: In general, a petrol car will be fitted with a double braided flexi pipe, while a diesel car will have a triple braided flexi pipe.
After a certain time, the movements exerted on the flexible exhaust pipe by the vehicle will deform it or even crack it. The exhaust flexi pipe could also get attacked by rust or could tear due to excessive pressure in case the catalytic converter gets blocked.
If the damage to the exhaust flexi pipe is superficial, it may be possible to weld it in order to repair it. However, most of the time, the repair won’t be possible, and it will be necessary to replace the exhaust flexi pipe with a new one.
The replacement of the exhaust flexi pipe can be quick if you have the right mechanic knowledge, however, it will be necessary to lift the car to get easier access to the spare part, which is located underneath the car. That is why we recommend that you let a mechanic replacement it for you.
To do the replacement, it will first be necessary to loosen the hose clamps of the exhaust flexi pipe in order to unmount it. Then, install the new flexi pipe. For that, unscrew the hose clamps to make it easier to mount the part on the exhaust line. Once placed, tighten the clamps again.
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