OPINIONS ON EXHAUST SOUND

After we put headers on Dad's 440-powered 62 Dodge Polara 500 convertible, probably early seventies, I drove it 45 miles to Macon, Ga to get the exhaust hooked up. Wasn't too terribly loud at light throttle, and it was mostly country anyway. Made it to Macon, and made it into town without getting into trouble, but when I got to the last block of the trip, I had to give it full throttle just once, in low gear, for 3-4 seconds. Sounded great! Then turned into the muffler shop parking lot. Cop followed me in. I thought, uh-oh. He asked, are you here to get your exhaust fixed? I said yep. He said OK, don't leave until you get this thing quieted down. And he left. And I didn't.