a common mistake is to assume an exhaust leak is not affecting how the motor is running

it certainly does, power drops, fuel consumption goes through the roof, idle gets higher and rough and you get flat spots

you will kick yourself for not doing it earlier the day you fix this exhaust leak, you have gone through 4 or more carbies trying to get it running right if memory serves me correctly

you will save the money you spend in fuel economy let alone the mental trauma you put yourself through