I have always been a big on having good fins, and I pretty much always change my fins to suit conditions etc.. And SUP is no different. Changing the fins on your SUP can make your board ride totally different. Sam from Wind Surf 'n' Snow has tried many different fin set ups, and found he can loosen up boards considerably by just changing the thrusters. So I went one step further, and changed the back fin and thrusters on my 10'6" Naish to the below set up using the FCS us box adapter for FCS fins.









Fin set up is, Thrusters = TC Redline, Tail fin = 3D Red Tip.

What I found with this set up was,

Positives.
- The board is more responsive and lively off the rail.
- Board speed was increased.
- Rail to rail transfer was faster.
- Nose riding was just as easy surprisingly, and obviously easier to go into spins and heli's.
- Tail slides are much easier, but drive off the rail is possibly even better (i.e. the boards turns become much reliant on the rail. Driving from your rail the board powers through the turn, flattening the rail a bit the tails slides more.)

Negitives.
- Board is less settled in the white water.
- tail was a little slidey at very low speeds.
- paddling you do turn more than with the big fin.

Conclusion,
I won't be riding my 10'6" with the old fin set up any more. And I am going to try some other thruster combinations.

Interested to know what combo's others are trying.