what is this knob on my seat?

youdontknow37

New Member
May 19, 2006
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ive been wondering since i got the car, and it doesnt seem to do anything. its only on the drivers side seat
 

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What year Mustang do you have to have that?

It's the thigh bolster knob. You screw it in or out and it squeezes the sides of the seats in out lets them out for support around your thighs.

I thought Ford stopped using them in 1993
 
It makes the sides of the seat move in, to supposedly support you better (make you more firmly in place or whatever) ... I have one on my seat and you can hardly feel the difference. It's a POS.