i dont think boosting in 5th and 6th is really a problem... its going WOT through 5th and 6th....
If you're cruising on the highway and push the accelerator to pass and go into boost it wont cause any problems. (i know thats what most meant here, just clarifying for OP)
If you're cruising on the highway and push the accelerator to pass and go into boost it wont cause any problems. (i know thats what most meant here, just clarifying for OP)