B48 T51rmod — Made to Order —

— Made to Order —

which when you return your removed core within 30 days after receiving

Made to Order

The T51R mod permanently machines the compressor housing and cannot be reversed

B48 T51rmod — Made to Order —B48 B46 4Cylinder Turbo T51R Mod Please select one: the Bolt flange option is a housing that the inlet attaches with bolts. Non Bolt flange has the "clip on" style inlet, which we cut off and weld a 2. 75" pipe in it's place. Non bolt flange type will require custom inlet. This mod turns the OEM turbocharger volume up to the Max giving your car the sound similar to a turbo diesel or a big Top mount turbo car. These modifications do NOT require retune