Feature stepped headers that start at 1-3/4" and step up to 1-7/8" before merging into the collector.
4" true reverse-cone megaphone muffler with a polished billet end cap.
Includes removable spiral-core louvered baffle.
Made in the U.S.A
CALIFORNIA DISCLAIMER: Not for use on public roads. For competition and closed courses only. Subject to emission control requirements in California.