- Get the best sound and performance quality with these stepped headers that gradually merge into a reverse-cone 4" straight can muffler
- The 1 3/4" headpipe steps up to 1 7/8" into the collector to increase a better flow that leads to a higher quality performance
- 4" muffler body with polished billet end cap
- Spiral-core louvered baffle is included, which is removable
- All mounting hardware you need to install the system is included
- Always manufactured in the USA
