ok i bought this part number which is what i want 18229-S6D-T31 and needed. well i went to install it seem like i thing is way to small. i lined the old one up with new and it seemed like there is a diff. in the two. i tryied one for rsx samtthing any ideas?? it is the stock manifold.

 

any help?

 

ok well if anyone runs in to this. this is what i did. i crubble it in my hand till it unrolled it self.then just raped it out the pipe. and tada.