Quote:
Originally Posted by Tim1137
gutting the cats in the manifold will, gutting the rear cats will not.
Im scared to remove my manifolds i dont want to break a bolt in the engine 
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my car only has the cats at the rear but as from tomorrow she will be catless
as for the bolts thats the risk but if you have the means to repair then you'll be ok
i heated mine up 1st but if i had heated up the ones that snapped a little more i reckon they would have come out