stainless mufflers

Selling a pair of MBRP "Race" mufflers from an MBRP 3" stainless cat-back system for ‘15-'17 GT. They were on my wife's '17 GT for about 600 miles. We both really like the volume and tone of the "race" mufflers but she decided the drone at highway and cruising speed (about 1,800 - 2,000 rpm)...