GrimmSpeed Subaru Up pipe User Manual

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Subaru Up Pipe

Installation Instructions

2002+ Subaru WRX/STi/LGT/FXT

Subaru Up Pipe Installation Instructions

Park your vehicle on a level surface. Fully engage your parking brake and
put wheel stops on the front and rear wheels to keep the vehicle from
rolling.

All GrimmSpeed exhaust components are intended for Off-Road use only.

1. Remove plastic splash guard (3) 10mm bolts and 4 plastic clips.

2. Remove small plastic access panel in fender wheel. This will give

you access to o2 sensor.

3. Remove o2 sensor from passenger side exhaust collector with o2

sensor socket.

4. Remove passenger side exhaust collector heat shield (4) 12mm

bolts.

5. Remove (2) 14mm bolts that connect passenger side exhaust

collector to up pipe.

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6. Remove (2) 14mm bolts that connect passenger side exhaust

collector to crosspipe.

7. Remove (3) 14mm nuts that connect passenger side exhaust

collector to engine head. Drop passenger side exhaust collector.

8. Remove BOV from intercooler. (2) 12mm bolts.

9. Remove intercooler. Remove (2) 12mm bolts that go to intercooler

mounts. (2) hose clamps, one goes to TB hose, one goes to turbo
outlet.

10. Remove the turbo heatshield (6) 10mm bolts.

11. Remove up pipe heat shield. (2) 10mm bolts.

12. Remove the (3) 14mm nuts and (2) 14mm nuts/bolts connecting

the downpipe to the turbo.

13. Remove downpipe from cat-back (2) 14mm bolts.

14. Remove downpipe o2 sensor with o2 sensor socket.

15. Remove (1) 14mm bolt from lower transmission bracket.

16. Remove (1) 14mm bolt from upper transmission bracket.

17. Using a flat-head screwdriver, pry the downpipe support bracket

out from the lower transmission bracket.

18. Drop downpipe.

19. Unplug the factory EGT sensor in up pipe.

20. Remove (5) 14mm nuts that hold top of up pipe onto turbo.

21. Remove passenger side engine mount (1) 14mm nut/washer.

22. Carelly raise engine up with jack and block of wood approx. 2

inches.

23. Drop Up pipe out down to the ground. Be careful not to damage

the EGT sensor on the way out.

24. Place (5) studs in top flange of up pipe.

25. Loosely install up pipe to turbo studs/nuts, remembering to use

new gasket. If you are having troubles mating up pipe to turbo, try
installing with only a couple of the studs installed in the up pipe.
Once the up pipe is on the turbo you can then drop the other studs
down from the top.

26. Drop engine back down.

27. Tighten engine mount bolt with washer.

28. Loosely install passenger side exhaust manifold collector to engine

head. Remember to replace gasket.

29. Loosely install (2) 14mm bolts from up pipe to passenger side

exhaust manifold collector. Remember to replace gasket.

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