I have a 1997 silverado 5.7 liter v8 I have true duals on it with flowmaster super 44s i have two of them becuase its true duals and 3.5 inch tips but for so me reason its just not loud enough its really not loud at all I was wondering what else I can do to make it louder and I do still have cattilyic converters any sugesstions

 

Take the flows off and install dynomax bullets. Much louder

 

dynomax 12 inch bullets or magnaflow 14x4 rounds or glasspacks and if you wanted you could always cut the cats off or get some hi flows or maybe even a cutout long tubes could also help just depends what your looking for and price range