Ind. Code § 9-19-8-4
Muffler cutouts and bypasses
Sec. 4. A motor vehicle may not be equipped with any of the following:
(1) A muffler cutout.
(2) A bypass.
(3) Any similar device.
[Pre-1991 Recodification Citation: 9-8-6-36.6(d).]
As added by P.L.2-1991, SEC.7.