Superjet exhaust on waveventure 701

I’m in process of swapping a 701 from a waveventure into my JS550 with Rhaas kit. I purchased a complete exhaust from a superjet. I’ve discovered among other things the breadbox does not mount up to the 62t head. The mount is on the rear of the head instead of the front. Is my only option to swap heads? Is this mount required? Tia
 

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Swapvto a 61x head or get a different pipe are your only options. You could get a factory b pipe type exhaust manifold and run a 650sx exhaust as well but your cheapest option is to get a 61x cylinder head.
 
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