Help me decide
Thanks...
I believe the Kooks may edge the Stainless Works out due to the velocity spikes in th Kooks and you'd probably have a little better clearance with the Y-pipe with the Kooks too. I think the Stainless Works is a 3-inch pipe, like the Kooks, but I don't recall a bad thing mentioned about Kooks Y. I particularly care for the merge collectors on each of their Y-pipes however I doubt there is much of a power different than pipes with merge collectors.
I don't know if Stainless Works has 1 7/8 primaries available but if you're seriously planning on adding an S/C in the future maybe you should consider the multitude of primary options available from Kooks.
I seriously think you'd be happy with either of the choices you've listed.
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