
Search the folder "Grand Theft Auto - San Andreas\data" and edit next files:

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vehicles.ide

494, 	hotring, 	hotring, 	car, 		HOTRING, 	HOTRING, 	null, 	ignore, 	1, 	0, 	0, 		 -1, 0.69, 0.715,  0
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handling.cfg

hotring      1400.0    2000.0   1.5    0.0 0.0 -0.25 70  1.25 0.75  0.40	5 200.0 50.0 10.0 4 P 	11.0  0.51 0 30.0  	0.28  0.40  0.0   0.02 -0.05 0.5  0.4		0.37 0.72 95000 	40002004	C04000		1  1	1
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carcols.dat

hotring, 0,1, 138,1, 149,1, 1,1, 147,1, 143,1, 135,1, 6,1


you need to add these custom colors:

# more stuff
0,0,255				# 127 azul marino puro			azul_marino
0,254,0				# 128 verde puro (claro)		verde
255,0,0				# 129 rojo puro				rojo
255,255,0			# 130 amarillo puro 			amarillo
255,0,255			# 131 rosa puro	brillante		rosa
0,255,255			# 132 azul cielo puro 			azul_cielo
0,128,0				# 133 verde normal			verde_normal
128,0,255			# 134 morado puro			morado
255,128,0			# 135 naranja puro			naranja
# oscuros
128,128,128			# 136 gris puro		                gris_puro
128,0,0				# 137 rojo oscuro			rojo_oscuro
0,0,128				# 138 azul marino oscuro		azul_marino_oscuro
108,71,8			# 139 taxi yellow oscuro		taxi_yellow_oscuro
0,128,0				# 140 verde brillo oscuro 		verde_brillo_oscuro
128,128,0			# 141 amarillo puro oscuro		amarillo_puro_oscuro
66,2,8  			# 142 cherry red oscuro			cherry_red_oscuro
0,64,0				# 143 verde normal oscuro		verde_normal_oscuro
7,7,7			        # 144 negro claro 			negro_claro
96,96,96			# 145 blanco oscuro 			blanco_oscuro
128,64,0			# 146 naranja puro oscuro		naranja_oscuro
32,0,64			        # 147 morado puro muy oscuro		morado_muy_oscuro
128,255,255		        # 148 azul cielo v2			azul_cielo_
96,0,0				# 149 granate  				granate
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