- T-304 stainless steel will never rust — our thickest material.
- 100% welded construction is track-tough.
- Free-flow design for improved performance.
- XR-1's race-proven design attenuates sound without restricting flow.
- Patented Multicore Collector, and Bullet Racing mufflers feature steel wool packing for sound control.
- Sportsman mufflers feature high temperature continuous filament fiber (CFF) acoustic material for sound control.
- Natural mill finish can be brushed or polished prior to installation.
- Reversible design for installation flexibility.
- Recommended for high-horsepower racing applications.