Your NA or NB Miata came with insulation around the shifter because Mazda knew it was a good idea - there's a lot of noise and heat that can come in through there, and some insulation is a great way to lessen it. However, that stock insulat...
Reviews
4.9
45 ratings
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Almost too much insulation, hard to fit it all without tucking and working it in. Otherwise it significantly reduced noise and heat in my application.
• I have an ISR short shifter so maybe that decreses how much insulation can fit between the boots.
Jesse · May 19, 2026
Well made, works great.
Mark · July 1, 2026
A Must Have
If you are restoring an older Miata this insulation along with a new rubber boot will do a surprising amount of good to reduce not only the heat that comes off of the transmission, but also the sound inside the cabin. It makes the ride much more comfortable.