EDIT: Since learned this is stage 2. Stage 1 is drilling holes. Stage 2 is removing first set of baffles.
Removing the first stage of the baffles in my exhaust on my 2007 Yamaha Roadstar stock exhaust. Made a HUGE difference!
Hole saw:
LENOX Tools Hole Saw, Bi-Metal,... [ Ссылка ]
Burr Bit:
Tungsten Grinder Carbide Burr 1/4" Shank SB-5 Double Cut Die Grinder Bits And Rotary Bits - Cutting Burrs For Fordom And Dewalt Die Grinder Accessories, Milwaukee Wood Carving Metal Working [ Ссылка ]
![](https://s2.save4k.ru/pic/DPCgBKCOzfk/maxresdefault.jpg)