Removing firewall insulation

tonyism7

Daily Driver
My firewall insulation is pretty ratty at this point. I'm debating ripping it out completly without replacing it.

Has anybody else done this? Did it make a significant difference to noise, heat, or vibration levels?
 
I'm currently running without my insulation but I never drove the car with it in place so can't give any comparative insight. Given that there is a gas tank and spare tire well separating you from the engine bay I'm not sure you will notice any heat or noise increase but that's just a guess.
 
I pulled it from the shop car. Put in some 1/4 inch dynomat. Had the fuel tank out so the dynomat is between the tank and firewall and inside the spare tire area. Haven't had any heat issues.
 
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