| There is an increase of noise, more like a lower/heavier noise....... Racier I guess!
Theoretical there is also an increase of power, but when there are two O2 sensors (before and after cat., it's the OBDII system) it could be the engine management (Bosch Motronic) should switch over to the emergency course. This means a more bad mileage and even a DECREASE of power.
__________________ BMW '96 M3 (SOLD )  June 2005 Car Of The Month! Quote: |
Originally Posted by Torque I was just dropped off here by aliens one day. They got bored with me. | | 
