Does anyone have insight behind the reasoning for this change?
#19715 Proposed wording for new spoiler rule.
The SPAC requests member comment on the following proposed changes to 15.2.I.2.b:
“b) It is a non-production rear spoiler which is mounted to the rearmost portion of the rear hatch, deck, or trunk lid.
The spoiler may extend no more than 10” (254 mm) from the original bodywork in any direction. Alternatively, in a
hatchback, the spoiler may be mounted to the rear hatch lid at or near the top of the hatch; in such a configuration
the spoiler may extend no more than 4” (101.6 mm) from the original bodywork in any direction. The spoiler
may be ”
no wider than the original bodywork, and it shall not protrude beyond the overall perimeter of the original bodywork
as viewed from above. The use of endplates is prohibited. Angle of attack is free. The spoiler may not function as
It seems like quite an expansion to the spoiler rule to me.