National Staff Greg G. Posted May 20, 2022 National Staff Share Posted May 20, 2022 (edited) Technical Bulletin 5-20-22: Rear Bumper/Rear Frame Cross Beam Modification--ST1-3 & TT1-3 ST1-4 Rules: 6.2.1.1f (Applies to ST1-3 only) Modification of the OEM rear bumper/rear frame cross beam is permitted if a modified or replaced rear bumper/rear frame cross beam remains that is equally strong for crash protection. Revised Rule: ST1-3 1f) Modification of the OEM front bumper frame cross beam is permitted if a modified or replaced bumper beam remains that is equally strong for crash protection. In ST1-3 only, modification of the OEM rear bumper/rear frame cross beam is permitted if a modified or replaced rear bumper/rear frame cross beam remains that is equally strong for crash protection. Edited May 20, 2022 by Greg G. Quote Link to comment Share on other sites More sharing options...
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