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Discussion Starter #1
So, this is what I got

440ci LS, currently has an older set of 245CC Cathedral Port ETP Heads

So, I was thinking about going to a 275cc set of MAST Heads, still Cathedral, since I already have the MAST Intake

Trying to pick the performance up, is it worth the coin?

Or, what heads would you use?

Just gathering opinions here.....
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