Review on 🔝 Flowmaster 942551 2.5In(O)/Out(C) 50 Series Df Muffler: Superior Flow Control for Enhanced Performance by George Mendoza

My truck is equipped with a 420 hp 6.2 engine. with 460 lb-ft of torque. I bought Flow Master after watching some YouTube videos. I was looking for a muscular sound like the Ford Mustang GT. From all the reviews I've either read or watched, this muffler sounded like it was just what I was looking for. After installing it on my GMC, it's a little louder than I expected. If you stand on it or hang a load on it, you can tell for sure. There's not much cabin rumble on Interstates at 80 to 85 mph. I run 33 Toyo M/T Cross Country tires, I replaced some tire hum with an exhaust on mine. On a 2019 GMC Sierra you will need 3 inches on both ends of the muffler. Overall I am happy with the silencer, it was as advertised. If you're looking for something quieter, check out the 70's series.