Eliminating drone after muffler delete requires a combination of modifications to the exhaust system and careful tuning of the engine. I did it for a few weeks and it was too much drone/rasp for me Eliminate exhaust drone by using mufflers or sound dampeners, modifying the exhaust.
Resonator Delete Pros and Cons. Exhaust drone explained
Fortunately, there are proven techniques to reduce or eliminate drone and rattling in your exhaust system
The most effective solution for an exhaust drone is installing a resonator designed to cancel specific frequencies.
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on. Lengths greater than 4 feet promote “drone” (ie harmonics), typically about 3 ½ feet past the muffler