Tag Archives: Subaru Impreza

Ej20, EJ257, exhaust, Turbo, USDM, WRX

Turboback Exhaust Install on 02-07 Subaru WRX:

Turboback Exhaust Install on 02-07 Subaru WRX:

Bone stock the WRX is one of the best performing entry level sports cars you can find, but there’s always room for improvement. Replacing the stock 2.25″ turboback exhaust and it’s 2 catalytic converters with a 3″ turboback exhaust, featuring one high flow cat, should allow the turbo to spool up easier and quicker for more low end grunt.

1.) Remove the heatshield. You’ll be amazed at the amount of bolts used to hold on this simple piece of metal. There are 5 on the left side (viewing from the front of the car), one on the back, and two on the right side. After you have all the bolts removed you’re going to need some keen geometry skills to get the heat shield out of the engine bay but once you do, the downpipe to turbo connection is easily available. Once the downpipe is exposed look for the bottom heatshield. It connects to the downpipe by one bolt.

2.) Loosen the downpipe. There are only 5 bolts holding the downpipe to the turbo. They are surprisingly easy to get to. Now would also be a good time to remove the O2 sensor from the Downpipe.

3.) Disconnect the remaining hangers. It’s a good idea to use photos of the exhaust out of the car in order to point out where the hangers are in relation to the whole system. Install the new downpipe by lining up the turbo/downpipe bolts then securing the hangers. There are 2 hangers for the downpipe shown here. The front one bolts into the transmission. The second rests on a J bracket and is screwed in.

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STi, Subaru, Tuning, Turbo

Deatschwerks injectors install on Subaru STi w/ a FMIC

Deatschwerks injectors install on a Subaru STi w/ a FMIC:

We put together this DIY since there are some more specifics when working with the  Deatschwerks injectors on a 2006 STI with a FMIC. YMMV and as with all DIY’s, you do this at your own risk. I will not be responsible for any damage you incur doing this yourself. (but seriously, it really wasn’t ‘that’ hard.)

DeatschWerks Injectors: Install

Tools you need:
– 1/4″ Ratchet
– 1/4″ 6″ extension
– 1/4″ U-Joint/Wobble adapter
– 10mm Socket
– 12mm Socket
– 12mm open/box wrench
– 12mm ratcheting box wrench
– T-25 Torx Bit or driver
– side/wire cutters (for removing zip-ties)
– long nose pliers (for opening hose clamps)
– wood handled rubber mallet (round handle)

Optional (nice to haves)
– Magnetic Tray (to keep from losing bolts/screws/etc)
– “Antenna” Magnet (to get ‘dropped’ bolts/screws/etc)
– rags for cleaning up spilled anti-freeze

Provided by Deatschwerks injectors:

02J-00-0740-4 Set of 4 740cc Side Feed Injectors for Subaru STI EJ25 04-06, Legacy GT EJ25 04-06, Impreza 2.5RS 97-98

DeatschWerks Top Feed 1000cc Injectors for WRX/STi/LGT

DeatschWerks  (02J-00-1100-4) 1100cc/min Fuel Injector, (Set of 4)

1. Let the car sit overnight or relieve the fuel pressure by unplugging the fuel pump (green plug in upper right area of passenger footwell). (NOTE: I just let my car sit overnight)

Deatschwerks injectors:

2. Start on the driver’s side (it’s easier).

a) Remove negative battery terminal.

b) Remove the two 12mm bolts holding in the plastic bracket to the intake manifold and clip the two zip ties keeping the harness in the plastic bracket.

c) Now remove the plastic bracket (it will take a patient/creative rotation to get it out from the hoses/harnesses) and you’ll be able to clearly access the torx screws holding down the little bracket that holds down the injectors.

1.You may also want to unplug the blue connector and the Crankcase breather hose (regular clamp, not the crimped one) to provide maximum access to the injectors.

d) Unplug the injector, remove the torx screw (Proper size Torx Bit: T-25), swing the bracket up and out of the way, and pull the injector out. You will need a small screwdriver with a sharper tip to pop the injector up. Just be careful not to damage the injector seat or the injector housing / Rubber O-ring

3. Now, get one of your newly purchased Deatschwerks injectors. Open the tube of Super Grease (should be provided) and generously lube the lower O-Ring, and moderately-sparingly lube the upper O-Ring. ONLY LUBE the O-RINGs, try not to get lube on the injector screen or filters

4. Gently insert the Deatschwerks injector. You will want it to sit on the upper O-Ring, flush to the injector port. Then use the bottom of rubber mallet wooden handle to push the Deatschwerks injector in until it seats. There will be a noticeable but gentle “pop” not a sound but a “feel” once the Deatschwerks injector seats. If there is a fair amount of gas left in the injector port, it may even just slip in … no “pop” feeling.

5. Once you have the deatschwerks injectors seated, just reverse the steps in #2

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Impreza, STi, Subaru, USDM, WRX

Fender Brace GTSpec Install on GR Subaru WRX/STi

Fender Brace GTSpec Install on GR Subaru WRX/STi:

 

This fender brace install was performed on ’11 Subaru Impreza WRX STi 5 Door with GTSpec Fender Braces.

Required Tools:

Socket wrench with multiple extenders.
10mm, 12mm, and 14mm sockets
12mm wrench
Impact Driver (Not required but makes things easier)
Tire iron
Floor Jack/Jack stands
Screw Driver
Pliers/Cutting pliers
2 Zip ties
Gloves (Not required but always nice to have)
PB Blaster

Passenger side

I started off on the passenger side. Get the front end on jack stands. Also put chalks on the rear tires for added safety.

Now lets start by removing your tire. (This is where having an impact wrench makes things a breeze!)

*Note* If you have Rally Armor mudflaps you will need to remove those as well.

You will need to remove the fender liner and fender panel as well as the first three retaining clips under the side skirt.

A sample of a few clips that need to be removed:

Subaru STi Inner fender removal.

Fender liner and fender cover removed:

Subaru STi GR Inner fender removed.

*Note* I did not remove by front bumper however i did later on. I would suggest you go ahead and remove the front bumper to save yourself some time later on down the road. It makes things easier!

Now remove the 3 bolts in the engine bay and the one retaining clip on the headlight fixture.

Fender removal Subaru STi GR: Now remove the 3 bolts in the engine bay and the one retaining clip on the headlight fixture.

Remove the bolt behind the front bumper. (If the bumper is off it makes this next part very easy!)

Fender Removal Subaru STi GR: Remove the bolt behind the front bumper. (If the bumper is off it makes this next part very easy!)

Unscrew the black plastic bracket that secures the fender to the front bumper. (Again much easier to do with bumper off). I’d also suggest you remove the black bracket all together. This will come in handy when you reassemble the front fender.

There are two bolts under the side trim. This is where removing the 3rd retaining clip from under neath the side trim gives you a bit more wiggle room.

There are two bolts under the side trim. This is where removing the 3rd retaining clip from under neath the side trim gives you a bit more wiggle room.
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