02-10-2015, 09:12 AM
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#8 (permalink)
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Base Member
Join Date: Jan 2015
Location: Cape Coral, FL
Posts: 167
Drives: 2015 370z Nismo Tech
Rep Power: 13
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Quote:
Originally Posted by JARblue
FWIW, the GTmat is better at vibration dampening than noise. I installed their Onyx product in my hatch. Get some closed cell foam to go on top of the GTmat if you really want to reduce noise. Tires also make a big difference if you value quietness over performance.
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Really? I thought the big deal about GTmat was its multi-layered design, it's supposed to offer a bit of everything so you don't have to lay down two different types of product. Now that I look at it though, Onyx does not have the top foam layer that Quadro does, so that might explain your experience.
I totally agree with you on the tires though. The OEM tires that came with my car made a really spooky sound at > 130mph  They don't last long at those speeds though, and after I upgraded the new tires are much quieter 
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