15-23 MT-07 R-77 FS SS/SS/CF WORKS/F
- Meet noise level regulations of most worldwide race sanctioning organizations
- Marked with appropriate EPA noise emissions labels
- Designed for closed-course competition use only; not for street use
- Not tested for EPA noise levels
- Straight, single-core baffle
- Trapezoid shape muffler sleeve to maximize exhaust flow volume
- Can accept low-volume sound insert
13700AJ520