Quote:

How did Gus get threw Tech without a full face helmet?



A very good catch and an interesting question? Taken front the rule book...
General Regulations 10:7
HELMET
For all 9.99 and quicker closed-bodied cars, a full-face Snell M2000,
M2005, M2010, K2005, SA2000, SA2005, SA2010, SFI 31.2A, or
41.2A helmet mandatory; shield permitted (goggles prohibited).

From the Super Stock section
HELMET
For all 9.99 and quicker cars, a full-face Snell M2000, M2005,
M2010, K2005, SA2000, SA2005, SA2010, SFI 31.2A, or 41.2A
helmet mandatory; shield permitted (goggles prohibited). See
General Regulations 10:7.