JZW tuning offers mail in ECU tuning for the Volvo 850model cars from 1997 to 2010. T
Stg 1 tune is really about the same as most other cars. The ecu tune only brings the hp up around 35-40bhp over stock and 45 ft-lbs of torque.
Stg 3 is the 3″ exhaust and ecu tune and allows faster spool up and more power and torque and better fuel economy. This tune brings power up another 25bhp over Stg 1.
Stg 4 is the hybrid turbo, larger intercooler and power into the 300whp range.
Stg 5 is the 20T turbo and 330whp is possible.
Contact JZW Tuning for more information at 303-656-1611, or via email at email@example.com.