Proposed Revisions to SCCA GCR 2021 Appendix M, Part 3
#30295 from ROGER EAGLETON · Rule change · TB 22-01 (2022-01 Fastrack)
In SMG, Appendix M. 2. k. 7., make changes as follows:
"Long Tube Headers: Borla PN 17237 with x-pipe (discontinued). Approved alternative American Racing Header PN: MT3-
0513 → 4300LSNC with x-pipe OR Kooks Header PN: 1131 → 2000 with Off-raod x-pipe."