quick view Add to Cart DEI DEI 90-05 Mazda Miata NA & NB Under Carpet Interior Insulation Kit - 1/2in Thick - 50295 MSRP: $182.00 $181.99 The easy way to add insulation to you NA or NB Miata. Our pre-cut kit cover the floor foot wells, behind the seat and the rear tray. Each piece is CNC cut so all you have to do is lift up your carpet, remove your old wornout factory insulation and drop... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare