Octy vRS sport cat
#1
Octy vRS sport cat
Right for give on this one lads but i always though the bigger the pipe the better as it can flow more gases out the back.
So if this is true then why is a 2.5" turbo back pipe recommended over a 3" pipe? Only answer i got is that its to do with back pressure and the 2.5" is rather at a higher BHP also the 2.5" is almost £100 more it just dont make sence to me.
So if this is true then why is a 2.5" turbo back pipe recommended over a 3" pipe? Only answer i got is that its to do with back pressure and the 2.5" is rather at a higher BHP also the 2.5" is almost £100 more it just dont make sence to me.
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