i have a 1.4 and was thinking on few things need your views i wanted to make little quicker without doing to much ie bigger engines so would a decent filter with a straight through and a 4-2-1 manifold make a difference what would i gain bhp wise and other ways
should i or not
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#1
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#2you probly wouldnt make much more bhp but you most likely feel a little differece and more noise
loads of threads covering this topic -
#3strip it to fuck. Suprising how much difference it makes!
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#4there is an engine and performance section :\
try looking for answers there