gtasa/data/handling.cfg
JESTER       1700.0    3100.0   2.7    0.0 0.3 -0.15 85 0.78 0.85 0.5       5 205.0 40.0 6.0  4 P   20.0   0.52 0 35.0   1.0  0.18  0.0   0.28 -0.10 0.5  0.3        0.16 0.70 100000    40002004    4000001     1  1    1

gtasa/data/vehicles.ide
559,	jester,		jester,		car, 		JESTER, 	JESTER, 	null,	executive, 	7, 	0,	0,		-1, 0.68, 0.68,		1

gtasa/data/carmods.dat
jester, exh_a_j, exh_c_j, fbmp_a_j, fbmp_c_j, nto_b_l, nto_b_s, nto_b_tw, rbmp_a_j, rbmp_c_j, spl_a_j_b, spl_c_j_b, rf_a_j, rf_c_j, wg_l_a_j, wg_l_c_j, nto_b_s

gtasa/data/carcols.dat
jester, 0,0,0,1, 2,0,0,1, 3,0,0,1, 125,0,0,1, 49,0,0,1, 10,0,0,1, 1,0,0,1, 55,0,0,1

get that mod car colors make your game more cool ;)
http://www.gtainside.com/en/sanandreas/mods/86342-car-colors-mod/