i just installed my headman header and took the samauri to the muffler shop on the drive home there is a bad dead spot when i accelerate it happens in at least 1st,2nd and 3rd gears the sami is stock exept for the new exahust could it be starving for air as the stock intake is still in place or dose any one have any ideas as to how to eliminate the bogging p.s i am running it with no cat and a 2 inch pipe to a flowmaster muffler