The answer....its really up to you.
With that being said......I haven't done an extended warranty on any of my Hondas. My old 2006 Si, after 86,000 needed a transmission seal that ended up costing $150 to repair at the dealership. Then again I replaced a lot of stock parts with aftermarket...
Glad someone is finally tuning the later model Fits. There was no love for them when I owned my '13 Fit Sport(manual). It was a great little fun car.....just needed some more HP. Ended up trading it for the '15 Si I have now.
I only had H&R lowering spring and a retro.....the car did well at...
Zoom in on the pic that shows the entire cabin. You can see a little section of "CF" trim between radio screen and the black tape they used to cover the trim.
Looks like the "CF" interior trim is staying. Seat shape looks good but the seat material does not look good. Same with the material on the door panel....no Bueno.
Use the $80 towards the purchase of a rear swaybar. That's prob the best bang for your buck purchase but the run more than $80.
You could buy a nice shift knob.....maybe better brake pads.
You might want to mention what year car you have since Honda changed the mounting point on the front struts after 2013.
If they were for a 2015 I might of been interested.