hi all i'm runnin a 1991 f250 with the 7.3 in it and i want to put stacks on and each header to a stack i'm wondering what muffler to put on it. i has stright pipes on it and didn't like the sound i like the deep sound. any suggestions? thanks tim

 

the acutally sound prety good threw 40 series flowmasters, but i cant say much, mine is straight.