Classic Saab 9-5 (1997 - 2009)
hi people im just wondering, i have saab 9-5 estate 1999 2.3t, if i was to upgrade my ecu to stage 1, could you compare this having the same sort of power as a aero??? if so will it feel the same, or where would the power be different??? also as i dont have a turbo gauge on my dash, can anyone...