04-14-2019, 08:09 AM
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#11 (permalink)
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A True Z Fanatic
Join Date: Aug 2018
Location: Chicagoland
Age: 38
Posts: 5,261
Drives: A Garage Queen
Rep Power: 2684371
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Quote:
Originally Posted by Sway
So here’s what I’ve learned about dynamat, the thinner more dense stuff helps with chassis mounted noise, rattles, vibrations etc, while the thicker/foam type stuff helps more with “airborne” noises, exhaust, engine, road noise etc... I have a combination of the two and it works great. Though my exhaust is still very loud, but now I can at least have conversations in my car lol. (Gthaus full cat back, no resonators, with motordyne ART test pipes)
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Lucky... I have Berk HFCs and FI non-res catback; after I did the trunk the exhaust was even louder than before - like I'd built a sound box and the only exit for the drone was towards my ears. Ended up swapping out the non-res section for 18" resonated I bought off a member here, and can happily report that while drone still exists at highway speeds, it no longer makes me want to suck-start my Glock.
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'14 MB Nismo | Boost Lab 6870 1.32 AR 553 HP / 471 ft.-lbs.
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