Originally Posted by nextphase
but what is a map sensor...
Manifold Absolute Pressure sensor. Engine electronics 101. :doh:
Originally Posted by nextphase
will an exhaust really make my turbo runnning better... befor it was a 2.25 inch piping... with stock axle back( muffler )
Yes, it will spool faster with a higher pressure differential between sides of the turbine.
Originally Posted by nextphase
and will the BOV make a diffrence also... im waiting on the steel flange to come so i can weld it on
You're not running a BOV? That's a safety device, not a go-fast toy. It saves the turbo from damage when the throttle is closed by releasing pressurized air, preventing compressor surge.