DEpends on what group you are in. Being an instructor I will usually always still once over my students cars as there is always something that slips through.
Usually emptying and locking glovebox or turning off passenger airbag (I have full face helmet).

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Before: 381rwhp and 362trq - Kooks, Vararam, ti corsa, penske sa, drm ducts, Nitto NT-01 (275/315 combo)
Before Track Times: 2:11 VIR, 1:21 Roebling, 1:49 CMP
After: 430rwhp and 382trq - MTI Cam, MTI Track Suspension
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