He wouldnt have a cat. Not exactly sure what the emmission laws are in Canada. Or rather than the downpipe, he can just get a Magnaflow high flow cat. Just a suggestion, trying to give him more options than digging in a junkyard
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Edit: Nothing wrong with junkyarding, I do it all the time. But I have yet to find an EM2 in a junkyard.....and as I stated earlier, all the junkyards here in Jersey take the cats out, state law.