Are there any stores in your area which have a dyno and do tuning? Is there multiple store?? Get a few days and check out the store, request to observe them even though they tune. The truth that your AFR's are usual even though driving states that the ECU is most likely Doing work Okay. BTW,

The piping then ideally utilizing mandrel bends in which essential and the selection of mufflers/resonators/catalytic converter/etc.. according to the house owners own preference. Fantastic reaction time, i would include the abilty to include my vin amount in the initial price proposal ‘