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Discussion Starter · #1 ·
I just bought my xerd header form the is300 store and am patiently waiting for it to be delivered. My question is this. Will the header come with everything needed, making it a simple install or will i need to order parts from other places?

I keep reading about the 02 sims, what exactly is it? what is its purpose? does the the header come with it if needed? Also what about gaskets? anyone kow if i'll need to buy some or if they come with them? If I do need to get either the gaskets or sims, where should i get them from? I read in search about casper making the sims. but couldn't find any specific info on them directly.

I tried emailing the parts store about thsi directly buit my emails kept getting returned. :-? :-?

Any help would be greatly appreciated guys. TIA :D
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