4,10 or 4.30 are almost to much gear for the street. i rec 3.90 which is what im runnin but now i wanna change baqck to 3.55 so if anyone wants to pay the labor to get mine changed back ill give them the 3.90s.

but as for cheap upgrades and pwr. with the gears, a jlt intake, full exhaust, and tuner i made 310rwhp and 320rwtq