Car Stereo Forum banner
heat wave
1-1 of 1 Results
  1. (Second Skin)
    Hey guys! We've been getting some inquiries about a product we used to carry called Firewall. Firewall is a ceramic coating similar to the Spectrum, but rather than block sound it blocks heat using microscopic glass spheres instead of dense materials. What do you guys think, sound like...
1-1 of 1 Results