- The Q4 employs intricate chambers, baffles and proprietary multistage packing material
- With the Q4 you do not need to hear the power, just feel the power!
- Less sound equals more ground
- Power gains throughout the entire rpm range
- Spark arrestor included
- Pounds lighter than stock
- Rugged design for off-road endurance
- Made in the U.S.A.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2023-2024 | Beta | RR 350 | |
| 2023-2024 | Beta | RR 390 | |
| 2023-2024 | Beta | RR 430 | |
| 2023-2024 | Beta | RR 480 | |
| 2020-2024 | Beta | RR-Race Edition 350 | |
| 2020-2024 | Beta | RR-Race Edition 390 | |
| 2020-2024 | Beta | RR-Race Edition 430 | |
| 2020-2024 | Beta | RR-Race Edition 480 | |