Cal. Code Regs. tit. 13, § 606
Muffler Certification Station Signs.
State of California
(a) Dimensions. Signs shall have the dimensions shown in Figure 1.
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Figure 1. Dimensions for Signs for Muffler Certification Stations
- (b) Color. Signs shall be bordered and lettered in light chrome yellow. The background shall be royal blue.
(c) Lettering. Lettering on the signs shall have the dimensions shown in Figure 2.
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Figure 2. Dimensions for Sign Letters
Signs for muffler certification stations, other than fleet owner stations certifying only their own vehicles, shall meet the following specifications: