
03-04-2011, 10:26 AM
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Platinum Member
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Join Date: Dec 2008
Location: East Sussex
Posts: 5,783
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Quote:
Originally Posted by Lucky
I changed only the resonated pipe and back box and that released alot more of the flat 4 noise, but I think I will soon be replacing the 2nd cat pipe as that also seems to make a difference. I am currently running an afterburner vortex back box which is great, but thinking of changing it shortly for a blitz nur spec 
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chav
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