I've got 2 used boost gauges from some customer cars that need new homes.
Both are mechanical gauges and are sold as is. No warranty.
Westach - boost/vac $20 - SOLD
AC Autotechnic S7 Boost/Vac (red/silver/ blue face) and silver bezel $35
Both in excellent working condition and include shipping, if paid cash/money order.
Also have a stock WRX fuel pump $15
Purolator Premium Plus Oil filter $2.99 and free shipping with the gauge purchase.
Stock WRX F/R Sways off an 03 WRX Wagon $20
WRX/STI Radio harness $10 each