Posts : 32 Join date : 2012-05-14 Age : 37 Location : darlington
Subject: bigger back box needed??? Thu 17 May - 18:38
hey all im in need of a bigger back box for my v5 ive got a 3inch system including decat all the way threw untill i reach the back box which is 2.5 inch, ive been told that this will affect my performance is that rite???
Iain
Posts : 316 Join date : 2011-07-04 Age : 40 Location : Sunderland
Subject: Re: bigger back box needed??? Thu 17 May - 21:16
Im pretty sure 2.5 will be fine untill about 350+ bhp mate so it depends where you are at with your car!
iddysti
Posts : 1699 Join date : 2010-03-27 Age : 53 Location : Spennymanure
Subject: Re: bigger back box needed??? Thu 17 May - 21:21
not until your into the 400hp range, my old bugeye STI was running 380hp with a magnex 2.5" system with no problems, so unless your looking for big hp there's no need
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