ZZP Down pipe
ZZP Down pipe
ive searched so dont start. im getting a new dp and wondering if it makes a difference if i get the 2.5 or the 3in because im running it with the stock cat back anyway which is 2.5, am i gonna see more power if i have the 3in which would be less restrictive untill it got to the cat back inlet or does that not make a difference?
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