What state or states was/were the trigger for the Quiet Exhaust System on the Studebaker Avanti???
Oh I don't know about that. I hit 117.7 dB about six feet away and, eh three feet off the floor, upon changing 1025 from single baffle glasspacks that were on the car from sometime in the '80s until I personally removed'em for Silvertone's loud option, August 2021. I would have loved to have the loudest option under the car while I was in high school … although if the housing development hated 1025 as it was, they would have really hated it to have been louder.
I heard it as a toddler with