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Havark
9th August 2011, 17:26
Ok... i just wanted to ask if i change my Supersprint decat centre pipe, to one with a cat will it make much difference?

And is the a Back Box that will make Quiter as i wanna keep my mani :)

EDIT: just found out it drops it by 14dbs

KamRacing
10th August 2011, 09:56
one with a mid silencer will drop by 12-14db. You could fit your cat and run a cat back supersprint which will be quieter than a straight through but sap power.

Havark
10th August 2011, 10:20
I have a raceland 4-1 mani on the car. But I wanna keep it on. Ain't really fussed about power! As I don't race nobody!

Just wanna know if I add the under car cat. Will it make a difference.

I know u just answered that question but will the 2" supersprint change it?

rick_VTR
10th August 2011, 10:23
from experienc, adding a cat will certainly make the car quieter mate.

jonnyb2b
11th August 2011, 07:03
Same here, 4-2-1 mani, decat, silenced centre section and stainless back box was loud and raspy cause of the decat, put cat bak on and doesnt seem quite so lively now but less noisy and a deeper noise!!

Jon

LSOfreak
11th August 2011, 08:22
the decat gives it a different tone. makes it a bit louder but makes it more raspier if anything.

Slugshead
15th August 2011, 09:30
No such thing as too loud :D my 1.4 was loud as feck with mild steel 3 inch mani back system