the_antz
Member
Registered: 20th Oct 05
Location: Beaconsfield, Near London
User status: Offline
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so far two of my mates have had an MOT and had to have their aftermarket exhausts taken off, they failed on emissions tests. I was under the impression that just putting a backbox on wouldn't really effect the emmisions? this happend to anyone else?
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Kurt
Member
Registered: 23rd Oct 05
Location: Hi
User status: Offline
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they werent shoving cloths in to keep the probe in were they?
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the_antz
Member
Registered: 20th Oct 05
Location: Beaconsfield, Near London
User status: Offline
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not that im aware of, just needed to check if this is a big problem with many people as i have just ordered a £200 scorpion exhaust and the MOT is due in a few months!
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Bullet Proof SRi
Member
Registered: 11th Jul 05
Location: UK - Clacton on sea - Essex
User status: Offline
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i havent heard of this b4, however i have only had performance exhausts on ohter cars , never a corsa
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goodfellow
Member
Registered: 18th Jan 05
Location: shrewsbury
User status: Offline
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mine got thro the MOT fine with my performance exhuast.shouldnt alter ya emissions much cause ur only changin the back box and not touchin the CAT.
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ainsley_brader
Member
Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
User status: Offline
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Never had an aftermarket exhaust affect emissions on any car. That is unless a decat was fitted!
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the_antz
Member
Registered: 20th Oct 05
Location: Beaconsfield, Near London
User status: Offline
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everything was standard appart from the backbox ... they made him buy a new standard exhaust then and their ... anyone think that something fishy is going on?
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Kurt
Member
Registered: 23rd Oct 05
Location: Hi
User status: Offline
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yup, sure it was emissions though? not loudness?
[Edited on 08-12-2005 by kurtofcc]
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m1ke
Member
Registered: 9th Sep 05
Location: Tewkesbury
User status: Offline
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it cudent of been emissons, my mates failed on the loudness, as it wasent the same noise level as a standard exhaust system fitted to the same make of vehicle , or sumthing like that it said on the mot fail , lol
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andybill
Member
Registered: 17th Oct 05
Location: derby
User status: Offline
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only fail on loudness if its louder than 98 db at a 45 degree angle about 5 inches away form exhaust. i should know, had to go get mine tested and was only just safe at an average of 97.9 
make sure they tested it properly and have the correct equipment if its due to loudness
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Kurt
Member
Registered: 23rd Oct 05
Location: Hi
User status: Offline
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mine failed today, asked him for a decibel test and he said it cant be louder than a standard corsa with a standard exhaust and it was at his discretion to pass or fail it, the fact he tested it inside annyoed me too, oh and my harnesses are marked e2 but he wont pass them
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Rileysport
Member
Registered: 18th Jun 04
Location: West Yorkshire
User status: Offline
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quote:
Originally posted by kurtofcc
mine failed today, asked him for a decibel test and he said it cant be louder than a standard corsa with a standard exhaust and it was at his discretion to pass or fail it, the fact he tested it inside annyoed me too, oh and my harnesses are marked e2 but he wont pass them
that is surely garbage... mine went through with no centre box on... go figure how loud that is
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ed
Member
Registered: 10th Sep 03
User status: Offline
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Mines passed twice with an aftermarket back box...
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Kurt
Member
Registered: 23rd Oct 05
Location: Hi
User status: Offline
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think he was just bein an arsehole, but it is a rage backbox and have heard bad things about them, dunno have asked vauxhall to have a look at it
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cunningham
Member
Registered: 25th May 05
Location: Lochore, Fife
User status: Offline
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mines failed on ma old mk1 clio witha rage he tried to say it was wrong bore blah blah
found out there was a leak elsewhere on the exhaust therefore effecting the emissions
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Kurt
Member
Registered: 23rd Oct 05
Location: Hi
User status: Offline
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my emissions are fine, got the print out, just failed on rear brakes, handbrake, bucket seat not being secure and him not thinking my harnesses are road safe, oh and him deciding its too loud because he says so
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J100RSA
Member
Registered: 4th Mar 01
Location: Thornhill, West Yorkshire
User status: Offline
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quote:
Originally posted by kurtofcc
my emissions are fine, got the print out, just failed on rear brakes, handbrake, bucket seat not being secure and him not thinking my harnesses are road safe, oh and him deciding its too loud because he says so
That tester sounds like a wanker harnesses cant fail
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andybill
Member
Registered: 17th Oct 05
Location: derby
User status: Offline
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ask to see him test the loudness with a db metre, only way to test it. if he denies then go somewhere else mate cos he sounds like a class A knob 
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Kurt
Member
Registered: 23rd Oct 05
Location: Hi
User status: Offline
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only went there cause my mate works there, thought he would have carried it out, gonna get good ol vaux to do it, they may not be cheap, but at least theyre reliable-ish
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J100RSA
Member
Registered: 4th Mar 01
Location: Thornhill, West Yorkshire
User status: Offline
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id pass it if it wasnt too silly it sounds like this bloke dont no what he's doing you got to no when to turn a blind eye its same as testing a classic car
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bigjim172000
Member
Registered: 3rd May 05
Location: New Buckenham, Norfolk
User status: Offline
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we have mot'd loads of cars mate and never had a problem with performance systems apart from when its a bodge job and its leaking every where,
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