dan_almond
Member
Registered: 27th Sep 05
Location: Salisbury, Wiltshire
User status: Offline
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I recently put a piper ss backbox on my 1.0 ltr just to make it sound a bit deeper. When the car has been runing say 20 mins, the whole exhaust expands slightly (fair enough) and the two hooks on the top of the back box push against part of the rear bumber.
Heres the problem, when on idle or low revs, the exhaust will rattle a shake only slightly to create a tapping noise on the rear bumper, sometimes quite lout. When i rev the car the noise goes away, they will return when the revs die down.
I think it must be something to do with the internal pressure as the whole exhaust system moves about this slightly. Any idea how i can prevent this?
Anyone else had this problem?
Cheers
[Edited on 14-03-2006 by dan_almond]
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SabasSRi
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Registered: 30th May 05
Location: Hampshire
User status: Offline
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I don't know if this will help but,I had a standard exhaust fited by kwik fit and had that problem,when I got a performance exhaust fitted by a mate he said they'd put the wrong size connector pipe bit in or something,causing it to knock/rub.It doesn't do it any more though.you used all the correct parts?
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ajscorsa
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Registered: 30th Apr 02
Location: Perceton, North Ayrshire
User status: Offline
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is both your cars lowered??
muck about with the U clamps i.e. turn them round so they ar further away from the axel 
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abdus
Member
Registered: 23rd Feb 06
User status: Offline
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quote:
Originally posted by sabas22
I don't know if this will help but,I had a standard exhaust fited by kwik fit and had that problem,when I got a performance exhaust fitted by a mate he said they'd put the wrong size connector pipe bit in or something,causing it to knock/rub.It doesn't do it any more though.you used all the correct parts?
same here, with standard backbox, it always rattled...I had to put a piece or rubber to stop it (it did..LOL)...Now a new scorpion backbox..just the exhaust noise...great
maybe not the exact size....or try the rubber thing.
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dan_almond
Member
Registered: 27th Sep 05
Location: Salisbury, Wiltshire
User status: Offline
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yeh the car is not lowered yet. i have temperarily put a small bit of rubber to prevent it tapping against the bumper.
is there anything i can do to solve it, as i say when i rev it the tapping stops and when the revs die down, the tapping will start. When i say tapping, the exhaust moves up and down.
Is it worth taking it to the guarage that fitted it to have a look?
Cheers
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ajscorsa
Member
Registered: 30th Apr 02
Location: Perceton, North Ayrshire
User status: Offline
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i would take it back yeah, u didnt pay them to fit an exhaust for it to rattle about 
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dan_almond
Member
Registered: 27th Sep 05
Location: Salisbury, Wiltshire
User status: Offline
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cheers mate
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