Originally Posted by
fdelgado
I live in cali so I kept the cats I did a cat back straight pip with stock tips ---deleted res & muffler sounds great not much drone if any 2 into 1 back dual tips
Nice.
I deleted rear cats and installed a MF dual in / out with dual 2.25 back, a gradual bends around rearend instead of the sharp bend with quad tips, angled and slanted.
Got ride of drone

Over 3,500 rpm can definitely tell sound out the back.
But cruising on interstate and sooo much quieter inside