xXx_Nova_xXx
Member
Registered: 23rd Sep 07
Location: Widnes, Cheshire
User status: Offline
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Right, someone help me!
Ive fitted many exhausts to my Corsa in a bid to make it "Loud", however no matter what backbox i fit it allways seems quiet (like standard)
The one i have currently fitted is the loudest i can find, however it looks like next doors bin 
Ive got a twin one here 3" outward rolled tip, that i plan to fit (May cut and weld up one of the tips so its a single)
But it still seems really quiet, how can i make it louder? as when i fitted the same backbox to my Nova, it was incredibley loud!
Ive been told removing the cat helps, however wont this make it fail the Co2 emissions with epic proportions? 
Someone help!!!
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Adam_B
Member
Registered: 13th Dec 00
Location: Lancashire
User status: Offline
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It will fail an MOT without the cat, have you swapped the silencer after the cat for a straight through pipe? that will make it loud.
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rbailey88
Member
Registered: 27th Jul 09
Location: cheshire
User status: Offline
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buy a decat pipe but keep your cat and swap it back at mot time... job done.
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nrgdd70
Premium Member
Registered: 13th Nov 09
Location: North Yorkshire
User status: Offline
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just keep your standerd exhaust abd buy a full straight through from manifold to bacbox thats what i did just swap thm bak for the mot x
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xXx_Nova_xXx
Member
Registered: 23rd Sep 07
Location: Widnes, Cheshire
User status: Offline
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quote:
Originally posted by Adam_B
It will fail an MOT without the cat, have you swapped the silencer after the cat for a straight through pipe? that will make it loud.
No i havent, would it be cheaper to simply cut out the silencer and weld in a piece of tubing? I work at a bodyshop so could have this done in a day
Also how much louder are we talking? louder then removing the cat?
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Root
Member
Registered: 28th Dec 08
User status: Offline
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Weren't some nova's made without a cat though? That would be the first reason why. If you want maximum exhaust noise, which, judging from your post, you do lol...it's quite obvious, there are things in the exhaust like the silencer and cat which block a lot of noise coming out, get a straight-through pipe with an aftermarket backbox and good manifold and you'll have a loud exhaust system.
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steel
Member
Registered: 22nd Aug 09
Location: Southport/Liverpool
User status: Offline
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quote:
Originally posted by xXx_Nova_xXx
quote:
Originally posted by Adam_B
It will fail an MOT without the cat, have you swapped the silencer after the cat for a straight through pipe? that will make it loud.
No i havent, would it be cheaper to simply cut out the silencer and weld in a piece of tubing? I work at a bodyshop so could have this done in a day
Also how much louder are we talking? louder then removing the cat?
very loud, my mate did this on his old 1.4 fiesta, straight through pipe with a cherry bomb (too loud though tbh)
nice backbox and decat makes a good difference, not too in your face if ya know what i meen 
also a cone filter may give your car a more agressive engine/induction "roar" but not all to everyones taste, altho im chuffed with mine haha
[Edited on 21-02-2010 by steel]
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Root
Member
Registered: 28th Dec 08
User status: Offline
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quote:
Originally posted by steel
quote:
Originally posted by xXx_Nova_xXx
quote:
Originally posted by Adam_B
It will fail an MOT without the cat, have you swapped the silencer after the cat for a straight through pipe? that will make it loud.
No i havent, would it be cheaper to simply cut out the silencer and weld in a piece of tubing? I work at a bodyshop so could have this done in a day
Also how much louder are we talking? louder then removing the cat?
very loud, my mate did this on his old 1.4 fiesta, straight through pipe with a cherry bomb (too loud though tbh)
nice backbox and decat makes a good difference, not too in your face if ya know what i meen
aren't cherry bomb's the exhausts that are extremely loud? I've heard that they're not so reliable and get a LOT of police attention
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steel
Member
Registered: 22nd Aug 09
Location: Southport/Liverpool
User status: Offline
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yep thats the one
the sound was horrible when your in the car going 70
wouldnt recomend, scorpion ftw 
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Firefly
Member
Registered: 10th Aug 09
Location: Tasmania, Australia
User status: Offline
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I have one of the loudest 4 cylinders under 2L where i am. Ive got 4-1 headers to standard cat, 2 1/4in cat back with no resonators or mid mufflers and a 5 1/12in cannon. When i drive the streets i usually set all the car alarms off
[Edited on 22-02-2010 by Firefly]
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Eddx14xe
Member
Registered: 12th Jan 10
Location: Hertfordshire
User status: Offline
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quote:
Originally posted by steel
yep thats the one
the sound was horrible when your in the car going 70
wouldnt recomend, scorpion ftw
Ive got scorpion exhausts on my car and they do sound rather good, few people at college have said its sounds good aswel
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