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Morning all, Have a 56 plate dci Laguna 25,000 miles. Exhaust blowing already!! Anyone know roughly how long an exhaust system should last???
 

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Hi there.

It all depends on the type of mileage that car covers, and if it has suffered any impact damage (speed bumps, etc).

Cars which are used for short journeys never really produce hot exhaust gasses to dispel the water which is a by-product of combustion, this then sits inside the various sections of the exhaust, rotting it through from the inside-out.

I owned a scorpio which by the time I sold it, was 14 years old, and had covered 138,000miles - it was still on the original system.

Yet, when I worked for Ford, there were a huge number of Focus models eating their back-boxes after 3-4 years, the common link was these cars annual mileage - all very low.

HTH

Paul
 
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