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Author backbox vs full system
webster91
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Registered: 22nd Sep 10
Location: Telford
User status: Offline
23rd Mar 11 at 20:28   View User's Profile U2U Member Reply With Quote

is there much sound different between just a backbox and a full exhaust system? :]
Adam_B
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Registered: 13th Dec 00
Location: Lancashire
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23rd Mar 11 at 20:30   View User's Profile U2U Member Reply With Quote

a full system with the cat removed or a sports cat will generally be noticably louder than just changing the rear box.

[Edited on 23-03-2011 by Adam_B]
webster91
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Registered: 22nd Sep 10
Location: Telford
User status: Offline
23rd Mar 11 at 20:32   View User's Profile U2U Member Reply With Quote

what if i left the original cat on? much diffrence then?
webster91
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Registered: 22nd Sep 10
Location: Telford
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23rd Mar 11 at 20:45   View User's Profile U2U Member Reply With Quote

??
AshWatson
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Registered: 18th Jun 10
Location: West Yorkshire
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23rd Mar 11 at 20:55   View User's Profile U2U Member Reply With Quote

my old corsa b with a janspeed cat back stainless system with no centre box was brill, nice growl when you booted it but just purred along if driven normal, perfect in my eyes, hate cars with hugely loud exhausts when cruising at 2000rpm

[Edited on 23-03-2011 by AshWatson]
Pete_vxl
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Registered: 24th Nov 06
Location: Lochgelly, Fife
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23rd Mar 11 at 21:19   View User's Profile U2U Member Reply With Quote

I would argue that 'some' backboxes can make your car sound very very loud. A cat back system can be loud if you want it too by removing all silencers. I had a turbo back Miltek on my gsi with precat decat and a resonated centre and it was no where near as loud as my mates on rage backbox on his 1.4 astra lol


[Edited on 23-03-2011 by Pete_vxl]
Adam_B
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Registered: 13th Dec 00
Location: Lancashire
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23rd Mar 11 at 21:23   View User's Profile U2U Member Reply With Quote

Turbo engines are quieter as the turbo acts as a silencer. And rage back boxes are just stupid

[Edited on 23-03-2011 by Adam_B]
webster91
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Registered: 22nd Sep 10
Location: Telford
User status: Offline
23rd Mar 11 at 21:29   View User's Profile U2U Member Reply With Quote

ive got a backbox on now but it isnt very loud, so im looking at a full exhaust system but just wondering if its gonna be any louder than the backbox on its own. :]
webster91
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Registered: 22nd Sep 10
Location: Telford
User status: Offline
23rd Mar 11 at 21:30   View User's Profile U2U Member Reply With Quote

and if i got a system with no silencer wouldnt that make it not road legal? i want a system that is louder than just a backbox and will pass an MOT and isnt considered not road legal
Jed D
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Registered: 15th Mar 11
Location: Durham
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23rd Mar 11 at 21:37   View User's Profile U2U Member Reply With Quote

get that cat out!, the environment never did out for you
webster91
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Registered: 22nd Sep 10
Location: Telford
User status: Offline
23rd Mar 11 at 21:41   View User's Profile U2U Member Reply With Quote

haha i knoww i know.. and also, drilling the airbox? good or bad idea? :]

 
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