Parts:
OK, now that I knew how much boost to run, I needed to know what parts to buy. I cheated here… I looked at other turbo kits to see what they have and then found out why each part is needed then formed my own parts list. Here are the parts needed for a basic 5 pound kit.
| Part | Part Number | Where to get it |
| Turbo (stock WRX turbo) | n/a | Portland OR |
| -4 Oil Feed | n/a | ISR |
| -10 Oil Return Line | Earls 200100 | Frey Racing |
| Oil Pan Weld Fitting For The Oil Return | Earls 967112 | Frey Racing |
| Oil Return fitting into the Tap | 800112 | Frey Racing |
| 2" up pipe | n/a | Unique Race Fab |
| 2.5" Down Pipe | n/a | Unique Race Fab |
| Wastegate | Deltagate External Wastegate | Bought used from someone who upgraded to the TIAL wastegate |
| Weapon R intake | SPOISBL | SPO Motorsports |
| MAF Filter Mount | n/a | Kartboy Kustoms |
| 2.25" 18 Gauge Stainless Steel Exhaust Tubing for the intake | n/a | Unique Race Fab |
| (2) 2.25" Silicone Hump Hose | n/a | Belair Composites |
| 2.25" to 2.75" Silicon Transition Hose | n/a | Belair Composites |
| Intercooler | SAAB 900 | Ebay |
| Bosch Blow Off Valve | n/a | Turbonetincs |
| Autometer Phantom Boost Gauge | 5703 | Carparts.com |
| Valve cover breather catch can | n/a | Made it |
| 2.5" CATCO CAT | summitracing.com | |
| Autometer Mounting Cup | 2204 | Carparts.com |
| Rx7 Fuel Pump | N/A | Bought Used |
| Vortech RRFPR | 6Z110-113FMU | Bought Used |
| Autometer Air/Fuel Mixture Indicator | 5775 | Carparts.com |
Here are some parts I need or would like to upgrade to shortly.
| Part | Part Number | Why | Where to Get it |
| 2.5" Borla Muffler | n/a | Better exhaust flow | Devek |
| 2.5" turbo back exhaust | n/a | Better flow | Unique Race Fab |
| Autometer Phantom EGT Gauge and Probe | 5765, 5244 | Monitor exhaust temperatures | Carparts.com |
Recommended basic turbo kit parts if you are making your own kit.
| Part | Price | Why | Where to Get it |
| WRX Turbo | Usually about $300 for a used one. | Plentiful and can usually be had for about $300 | From someone who upgraded or a wrecked WRX |
| RRFPR | $250 | With this much more air, I need to increase the fuel | Not sure yet or Devek |
| Up Pipe | $200 | Place to mount the Turbo | Unique Race Fab |
| Down Pipe | $225 | Exhaust shops don't like making these. | Unique Race Fab |
| Oil Feed | $35 | Turbo needs oil | Contact Paulnose on the I-Club |
| Oil Return | $50 | Need to get rid of the Oil | Local race shop or Frey Racing |
| Intake Plumbing | $100 | To get the air from the turbo to the engine. | Unique Race Fab |
| Intake Plumbing Silicon connectors | $30 | To Hook up the connectors | Belair Composites |
| Custom intake from airbox or CAI | ??? | Get clean filtered air to the turbo | Make your own. |
| Zener Diode for map based cars or check valve. | ??? | If a MAP sees boost on a MAP based car, it gets confused. | Radio Shack or an aquarium store. |
| Air Fuel Meter | $50 | Need to know the mix when tuning the car | Autometer Dealer. |
| External Wastegate | $220 | Keep the boost at 5 psi. | Turbonetics |
| SAAB 900 Intercooler | $75 | Keep the intake charge cool. | Ebay |
| TOTAL | $1535 |