Rifled Downstem 4"
- 4" from bottom of filter to the top of the outer male 19/26 joint (not the opening)
- 6 diagonally rifled slits
- Coldworked opening on the bottom of filter for no-drag clearing
- Chugging rumble vs the smooth diffusion of the Matrix filter
- sandblasted with "Rifled" logo
- Made in California
Downstem Measuring Guide