[nsb29]

Just kidding around but I am seriously thinking about putting cats or glass packs in front of the mufflers as I do have a lot of straight pipe before the mufflers for the sound to rattle around in as well as An H pipe we put flowmaster 40s on my buddies 64 283 El Camino had a decent sound they advertise their 50s series as quieter I guess the big difference is a 6.0 LS isn’t a 283 with a mild cam