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up. I'm not worried about the sound in the cockpit, just the INCREASE in Temperature from upgrades. I have a 1991 300ZX twin turbo, with upgraded headers, turbos, pre-cats and cat-back exhaust, which increases cockpit temperatures from my understanding. Right now, I have the engine and transmission removed, which is the best time for installing dynamat. Which product and how much do I need to insulate the fire wall and transmission arch (just upto the shifter)? I’m not sure if I would need to insulate the hood, I would want some of the increased temperatures to escape for cooling of the engine compartment. Thanks
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