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wunat:The Quattro is much stiffer compared to X3.
phhappy:Is there a big difference between the old Mares Advanti Quattro and the new Quattro Exel ? I plan on getting one of them. Any advice you can give will be helpful. Thanks
Parrothead_Diver:The Excels have a Stainless Steel insert that runs down the middle of the fin. This is supposed to improve performance over the regular Quattros.
Oh... And they are almost twice as expensive.
wunat:I never tried the new Quattro Excel so I can't say much about it. Nor anyone I know that are using the Quattro have switched to them. But I get good feedbacks from those who are using the new Quattro Excel.