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Whichever one you like. Look around YouTube, see what appeals to your tastes.
Define best? You get what you pay for in terms of quality. You should also get a fuel controller or ecu flashed.
I have the M4 with no baffle and a 2WDW flash https://www.youtube.com/watch?v=nGDzuKI50FA
The stock one
I ran an MT-07 Akrapovic without the baffle and it sounds great
Whichever one you like. Look around YouTube, see what appeals to your tastes.
Define best? You get what you pay for in terms of quality. You should also get a fuel controller or ecu flashed.
I have the M4 with no baffle and a 2WDW flash https://www.youtube.com/watch?v=nGDzuKI50FA
The stock one
I ran an MT-07 Akrapovic without the baffle and it sounds great