Street Legal Exhausts.... Not street legal!

[NutsyUk]

Ok this is a tough one.
The new bike came with a 250mm Black widow... And frankly the things loud...
It has the baffle in and my local MOT guy said he wouldnt pass it.
Checking black windows site, they state that the noise level is legal and passes MOT.

I also looked at some other UK made brands. One states that their 98db exhausts are road legal too and would pass MOT... Again when googling Im seeing figures of legal limits being well bellow that.

So what gives? Are these "street legal" pipes anything but street legal or is the law not clear?
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Yamaha FZ8/Fazer800 (split headlight one) 2014, gingerly getting used to the massive increase in HP and not killing myself in the process! That was easy to get used to.
Kawasaki ER6F 2007 650 Gonna sell as a project bike!
Lexmoto XTR S 125 Sold!

[stinkwheel]

If it's just to pass the MOT, you could get another baffle (they aren't expensive) and either fit it reversed in the front end of the can or up into the end of the pipe. Or just a longer, more restrictive baffle that fits in the normal way.
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“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.

[dave001]

[Ste]

In his opinion it's too loud so take it to a friendlier MOT person.

[NutsyUk]

[Ste]

I'm going to say it's a 200mm or 230mm exhaust that you've got as they don't make a 250mm one for the FZ8.

Regardless of such details, Black Widow describe those as being "designed for an aggressive sound" so you can either do what Mr Stinky Wheels says and stick a bigger baffle in it or you're going to have to buy an exhaust that's not quite so obnoxiously loud.

[recman]

My last MOT resulted in a noisy exhaust advisory. I've had my perfectly street legal
SP cans on for a few years now and used the same MOT place for those years but there are two different testers there.
One is cool and the other is clearly scared of his own shadow.

[Easy-X]

"Loud" is just a number, whether it's acceptable is subjective.

The old fella's Harley with the Vance & Heinz 57 exhaust is fucking loud (with baffles) but reluctantly I have to admit the exhaust note has character. Even so he still takes it way over past Gatwick to get it MoT'd.
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Husqvarna Vitpilen 401, Yamaha XSR700, Honda Rebel, Yamaha DT175, Suzuki SV650 (loan) Fazer 600, Keeway Superlight 125, 50cc turd scooter

[P.]

Anything non standard most people just mark as "noisy"

Just go to a less moody person.

[redeem ouzzer]

Ha ha ha get a decent MOT tester.

Failing that get a cheap eBay baffle (restrictive as hell) and bung it in just for MOT.

I’ve still not had anyone tell me what the noise threshold is for these cameras, do they check type approval via ANPR as well as noise? Because one of my bikes is 108db and completely legal (old shite from 1972), in fact if I wanted I could take the cans off and run stingers and no one would have any say in it.
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Be a REAL MAN!

[virus]

"The exhaust system and silencer should be in such condition, or of such a type, that the noise emitted from the motorcycle is not clearly unreasonably above the level expected from a similar motorcycle with a standard silencer in average condition."

8.1.1 in the book. I suggest finding a tester that isnt 'clearly unreasonable'
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own: 81 xs1100g...
owned: 85 rat CG (sold), 91 GS500e (stolen), 84 gsx400f (scrapped), 81 z250 (siezed, siezed, scrapped), 83 cb250rs (sold), 84 gpz750r ratfighter (killed) 84gpz400 (sold), '80 cb650 ratfighter (wrote off) 95gsx6/12f ratfighter (killed) 91 xj900 (sold)
stinkwheel Well I just had my hands up a pigs fanny. Which makes your concerns pale into insignificance.

[Easy-X]

[MCN]

[sickpup]

[NutsyUk]

[Ariel Badger]

Get a better MOT man, my bike has a standard NOS silencer with no baffles but because of age it needs no MOT but I know a guy that would pass it no questions asked.
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Bikers make great organ donors, get 115 on your licence today.

[sickpup]

The 250mm exhaust you have is obviously not road legal. Anyone who pretends it is is a liar. Not only is it loud it sounds shít and pisses people off. If you get nicked for it good, you are being a dick by having it.
You bought the bike with the 250mm on it, you thought 'thats cool, all the girlies will get moist' then realised the only attention it would get you is from the po po or neighbours lynching you.
Don't deny it, if it wasn't true you would have beaten a hundred off the price for a new silencer.

You could just buy the Black Widow 400mm Stainless exhaust which is £120 which would be louder than standard but not at dick levels.

[NutsyUk]

[sickpup]

[NutsyUk]

[to v or not to v]

[sickpup]

[Easy-X]

Character/tone is the most important thing IMHO. The kid next door has a loud 125 but it's not as loud as my XSR pure decibels. It is however highly annoying.
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Husqvarna Vitpilen 401, Yamaha XSR700, Honda Rebel, Yamaha DT175, Suzuki SV650 (loan) Fazer 600, Keeway Superlight 125, 50cc turd scooter

[sickpup]

[Fat Angry Scotsman]