b pipe ek4 - ek9


vtec-boy-ste

ps3 gamertag EK9-STE
Joined
Aug 30, 2010
Messages
317
hello there everyone was wondering if you can help me out ive found a ek4 stock b pipe forsale was wondering if the length / diameter was the same as the ek9 b pipe on my currant system on my ek9 is kinda rotten was on the car when i got it was wanting an easy fix realy want to get a new b pipe and get a spoon back box. thank you all in advance :)
 
they are the same length, however the diameter of the piping is completely different! ek9 b pipe has a dia of 2.5" whereas the ek4 piping is 2.25.
 
I tho the ek4 b pipe was longer due to the smaller cat on uk spec ek's or vice versa?? I bought an ek9 tanabe system and have to buy an adjustable de-cat because of this... Maybe I'm wrong????
 
I tho the ek4 b pipe was longer due to the smaller cat on uk spec ek's or vice versa?? I bought an ek9 tanabe system and have to buy an adjustable de-cat because of this... Maybe I'm wrong????

yea, i clean forgot about that! the b pipe is roughly 6 inches longer for the ek9 as its cat is 6 inches shorter! good shout. :)
 
cheers for the replys guys ;) won't be getting that then. but i have seen a kakimoto system im thinking of snapping up :)
 
I may be completely wrong on this, but someone told me that both ek9 and ek4 exhausts are 2.25" after the cat and is only header+cat that has a different diameter?
 
no, the ek9 b pipe is definitely a larger internal dia then the ek4. had them side by side and the ek9 is thicker.
 
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