Had this on a b16a jdm engine
Pretty sure it fits most b-series except GS-R
Has o2 sensor hole
I have a plug to seal it if your o2 is located in your down pipe
$100 Or Best Offer
Had this on a b16a jdm engine
Pretty sure it fits most b-series except GS-R
Has o2 sensor hole
I have a plug to seal it if your o2 is located in your down pipe
$100 Or Best Offer