I take you upgrade by upgrade as I try to sound proof my Jeep JL Diesel. In between upgrade I ran a decibel test to use data to show if the upgrades are work it. Upgrade list: Thino Rack Wind Fairing, Boom Mat, KilMat, and Armorlite floor liners.
KILMAT 50 mil 50 sqft Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening a.co/d/34eWLKR
goarmorlite.com/products/fron...
Design Engineering 050168 Boom Mat Black Sound Deadening Headliner Compatible with 4-Door Jeep Wrangler JL (2018-up) www.amazon.com/dp/B07NQGJVWS/...
ITEQ Car Sound Deadening Roller Sound Proof Insulation Tool for Auto Noise Roller Car Sound Deadener Application Installation Tool Rolling Wheel Inter www.amazon.com/dp/B082J3RSDY/...
VLIKE LCD Digital Audio Decibel... www.amazon.com/dp/B01N2RLJ32?...
Негізгі бет You Won’t Believe What Upgrade Made the Biggest Impact on Sound Dampening my Jeep JL Eco-Diesel. 
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