What does the back box of an exhaust do?

The exhaust back box, which is a rear muffler, has the purpose to limit the sound generated by the gas as it passes through the exhaust system. It is located at the very end of the exhaust line and it is the most common muffler on cars.

What is a black box delete exhaust?

What is a Back box (backbox) Delete?. This is where we remove the back box or mid resonator and replace this with a piece of either stainless steel or mild steel pipe. This increases the noise of the exhaust system and gives a more sporty or increased exhaust noise.

Will a back box delete fail MOT?

No, it’s not parts of the emissions controls so it won’t have any effect on the MOT as long as the car is within noise limits.

Will a straight through exhaust pass MOT?

As long as your emissions are in line then you should be ok. If it’s loud and you have a grumpy MOT tester you might have issues though. “The exhaust system will fail the MOT if: Part of the system missing or excessively deteriorated.

Will a Backbox delete pass MOT?

Will my exhaust pass MOT?

Exhausts will only fail an MOT if there’s a major leak, or emissions are deemed unsafe. A minor leak or corrosion would be pointed out on an advisory note as a possible future problem, but it would pass at the time of the test.

Does blowing exhaust fail MOT?

Is straight pipe illegal UK?

Most big-bore and sports exhausts are not legal on public roads in the UK due to their excessive noise levels and extra emissions. Drivers caught with an excessively noisy exhaust may receive an on-the-spot fine of £50, and could have their car taken off the road until the offending exhaust is removed.

Is cat delete illegal UK?

Legal implications For example, removing a catalytic converter or diesel particulate filter will almost certainly result in a vehicle’s emissions exceeding type approval limits and make the vehicle illegal to drive on the road.

Are Loud exhausts illegal UK?

It’s illegal to modify the exhaust system to make a vehicle noisier after it has been ‘type approved’ (checked it meets environmental and safety standards). The police can also take action if your vehicle’s silencer doesn’t work in the way it was designed or if you’re driving in a way that creates too much noise.

Will car pass MOT with no back box?

What is the legal DB for exhaust in UK?

74 decibels
In Britain, the legal limit for noise made by an exhaust is 74 decibels – roughly as loud as a flushing toilet. Prior to the introduction of noise cameras, police officers were expected to use their own judgement to decide whether the limit was being broken.

Do I need a tune after new exhaust?

As mentioned, a little more information would be helpful. However, if you are replacing your stock exhaust with a cat-back system or something similar, no tune is required. On the other hand, if you are installing headers along with a high flow exhaust, then a tune is probably a good idea.

What is the best exhaust for my Peugeot 207?

We have the perfect solution for your Peugeot 207 , we can replace your existing exhaust system with a custom built bespoke T-304 grade stainless steel exhaust, which comes with lifetime warranty, we will only supply high quality branded Magnaflow and Profusion components and fabricate the exhaust for a perfect fit.

What optional parts do I get with my Peugeot 207?

Optional: rear wing Encore (only CC). Fits all Peugeot 207 models. Optional: side extensions with grill. Fits all Peugeot 207 CC and hatchback models.

When did the Peugeot 207 hatchback come out with a facelift?

Dedicated for Peugeot 207 sport pre-facelift hatchback models, made between 2006-2009. Dedicated for Peugeot 207 sport pre-facelift models, made between 2006-2009. Fits all Peugeot 207 pre-facelift models, made between 2006-2009, except SW. Includes: front bumper extension NewLine, rear bumper extension NewLine, side skirts NewLine.

Where can I find more information about tuning my 207?

If you would like to know more, or just get some friendly advice on Tuning your 207 please join us in our car forums where you can discuss your tuning options in more detail with our enthusiastic 207 owners.