Jeep Grand Cherokee WH HEMI cat back 3" straight pipe HD

My 4th exhaust sound modification. 1.Original exhaust, resonator only. 2.Magnaflow 16631. 3.Magnaflow 16631 resonator only. 4. Cat-back 3” stainless (1.6mm) Custom JS-design (https://bg-bg.facebook.com/pages/JS-design/660759623990520 )