If you're looking to drop the sound decibels of your RPM muffler, this high flowing perforated quiet core insert is exactly what you need! Simply insert it into your muffler after drilling a small hole to bolt the quiet core in place. Hardware is included for easy installation. Please note that these quiet core inserts are compatible with RPM Mufflers only.
Fits RPM Exhausts:
- 60mm Diameter x 90mm Height