Straight pipe exhaust legal??

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def90cen

New Member
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3
Location
Shenfield
Hi, I am wondering if anyone can help with the legality of a straight pipe exhaust?
The car is a 2010 defender 90 with the puma engine.
Anyone with any knowledge would be much appreciated.

Thanks in advance.
 
If your vehicle originally had a CAT or DPF you can't now legally remove them. If you have an old vehicle, made when DPF's were just starting to be fitted, the MOT tester probably won't know if vehicle originally had one, so you could get away with it. On a 2010 model you'd have to hope your tester is not up to speed with new regs.
 
Noise
The external noise emitted by passenger cars has been controlled since 1929 when the Motor Cars (Excessive Noise) regulations were introduced. New cars are now required to meet Europe-wide noise limits. These have been progressively reduced from 82 decibels (dB (A)) in 1978 to the current limit of 74 dB (A) established in 1996. This means it would take 7 new vehicles to make the same amount of noise as one vehicle that just meets the pre-1978 limits. Information on the level of noise recorded for new models of cars at their type approval test is also listed in the data table.

When looking at this information please note that off-road vehicles are allowed to be 1dB (A) louder, as are direct-injection diesels. These allowances are cumulative, so the limit for an off-road vehicle with a direct injection diesel engine is 76 dB (A).

The noise levels quoted above are the maximum levels that are permitted for new vehicle types. Many vehicles produce lower levels of noise, and it is illegal to modify the exhaust system of a vehicle to make it noisier than the level recorded for that model at type approval.

A new EU regulation is being introduced from July 2016, Regulation (EU) No 540/2014, which will phase in tighter noise limits over 10 years, together with a revised, more representative test procedure. By 2026 the limit for most new passenger cars will be 68 dB(A).

As for the MOT:
A silencer in such condition, or of such a type, that the noise emitted from the vehicle is clearly unreasonably above the level expected from a similar vehicle with a standard silencer in average condition.
 
Well the 110 I saw today had little silencing, but it sounded really nice. You could hear the turbo spooling up!
 
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