Tomei Full Cast Turbo Outlet PipesTomei Full Cast Turbo Outlet Pipe for Skyline GT R RB26 The Tomei full cast turbo outlet pipe is engineered to reduce secondary back pressure and improve exhaust flow for the Skyline GT R RB26. The factory outlet is restrictive and can create excessive back pressure, limiting performance at higher boost levels. The Tomei design supports significantly greater flow and helps relieve load on the compressor housing. The updated model clears surrounding