i went and dynod here at rpm in lewisville i put down 243.6hp 291.4 lbs torque to the wheels is this bad i got hooker long tubes, y-pipe 2-1, slp intake, ovc wires and airfoil. i also have an a4 1993 with 128,800 miles never been tuned or touched. please post back with any info i though i would have a little more but the guy said being an auto i lost some too. i am hitting the rev limiter too. in a race the other night i was also i do not up shift just put my car in drive. anything i can do to raise my rev limiter i noticed this after the header install that my rpm range went higher than it used too. thanks thomas

 

I would think that if you tuned your car you'd be able to change the rev limiter.