EVE-GR4CR-CF-INT
EVE-GR4CR-CFM-INT
Toyota GR Corolla
Installation GuideAll directions referring to left and right are based on looking at
the engine from in front of the car.
Please take care when removing parts and fasteners. Contact
your Eventuri dealer or email info@eventuri.net for any furtherinformation.

Tools Required:•••

Trim Tool
10mm, 12mm, 13mm Sockets, extensions and ratchet
Phillips ScrewdriverInstallation Instructions : GR Corolla Intake System : Page 1

1.

Remove the slam panel cover by carefully removing the shown push clips.

3. Now remove the stock cold air feed by removing the clip on the right. The tabs on the left
side can be carefully squeezed to allow the feed to be removed.

2. With the panel removed – you can now remove the front snorkel by removing the shownclips.

4. Pull the vacuum line off the module on the airbox.

Installation Instructions : GR Corolla Intake System : Page 2

5. Unplug the module on the airbus and remove the bolt holding it secure.

6. Disconnect the vacuum line from the T-Piece on top of the rear tube.

7. Remove the vacuum module from the engine bay.

8. Disconnect the MAF sensor plug – make sure the ignition is OFF.

Installation Instructions : GR Corolla Intake System : Page 3

9. Loosen the hose clamp at the back of the airbox and remove the airbox from the engine
bay – it can be pulled out.

10. Move the vacuum line out of the way and remove the M8 bolt with 12mm head holding thetop of the tube in place. There is also a second M8 bolt on the lower side of the tube – remove
this also (cannot be seen in the photo).
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11. Loosen the hose clamp at the back of the tube.

12. Remove the tube from the engine bay.

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Installation Instructions : GR Corolla: Page 4

13. Remove the MAF Sensor from the airbox. We will NOT be using the stock MAF screws.

14. Install the MAF sensor to the carbon housing as shown – use the SUPPLIED M4 screws. DO
NOT use the stock screws.

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15. Push the flexible hose onto the carbon tube as shown.
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16. Push the hose all the way up to the last visible internal rib of the hose. It should looksmooth on the inside like this. Tighten the hose clamp around the tube.
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Installation Instructions : GR Corolla: Page 5

17. Insert the tube into the OEM rear rubber hose. Rotate the tube so that the tube mountlines up with the metal bracket. Do not insert the newly supplied M8 bolt yet.

18. With the tube mount rotated into the correct place – tighten the hose clamp around thetube.

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19. Plug the T-Piece with the supplied banking plug and secure it tothe bracket on the tube.

20. Assemble the 2 mounts to the base of the housing bracket using the supplied M5x12 screws and washers. Leave themounts slightly loose to allow adjustment later.

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Installation Instructions : GR Corolla: Page 6

21. Remove the plastic shroud around the MAF sensor wire.

22. Clip the loose vacuum module plug into the spare hole on the chassis next to the airbox
mount and tuck away the plug into the arch.

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23. Insert the carbon housing into the flexible hose – DO NOT tighten it yet.

24. Push the mounts into the rubber grommets on both sides.

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Installation Instructions : GR Corolla: Page 7

25. Take the new air scoop plus the supplied hardware shown next.

26.Take the longer M6 bolt plus the M6 flanged nut. Do not use the M6 lock nut. The lock nut,
shorter bolt and penny washer will be used in step 32.

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27. Place the scoop into position. Secure the right tab using the previously removes push clip.
Secure the left tab using the M6 bolt and nut from step 26.

28. Reinstall the plastic slam panel cover using the stock push clips.

Installation Instructions : GR Corolla: Page 8

29. Before installing the duct – remove this 10mm bolt from the lower brace. It will be used tosecure one side of the duct.

30. Lower the duct into place. The brackets will locate onto the brace shown in the previousstep.

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31. Locate the right side bracket onto the brace and secure with the bolt removed in step 25.
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32. The left side locates onto the slot shown and secures with the provided M6x16 Bolt (shorterof the 2 supplied), washer and lock nut. Place the washer underneath the brace before the nut.
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Installation Instructions : GR Corolla: Page 9

33. With the duct in place and secured – adjust the housing to make it sit squarely against
the rubber seal.

34. Tighten the screws on both sides of the housing bracket to the mounts.
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35. Take the NEW M8 bolt and Locking Washer.

36. Secure the rear tube with the new M8 bolt and washer. The washer MUST go between thehead of the bolt and the tube mount. Note – photo shows a plastic tube instead of carbon.

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Installation Instructions : GR Corolla: Page 10

37. Plug the MAF sensor in and tighten the hose clamp around the housing. DO NOT overtighten onto the carbon.

38. We will now change the breather line shown here. NOTE: if you are outside the USA your carmight not have this breather hose and sensor. If you don’t have the sensor shown in the next
step, you don’t need this hose and your installation is now complete.
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39. Unplug crankcase pressure sensor.

40. Remove 10mm bolt holding the sensor to the bracket.

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Installation Instructions : GR Corolla: Page 11

41. Remove the vacuum line from the base of the sensor and also from the valve cover.

42. Blank off the vac line outlet on the crank case with the supplied cap.
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43. Disconnect OEM hose from the valve cover.

44. Disconnect the connector which goes over the PCV hose at the rear.

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Installation Instructions : GR Corolla: Page 12

45. Remove the hose at the rear connection to the intake tube. The OEM hose can now becompletely removed.

46. Comparison of the OEM and Eventuri hoses.

47. Swap over the spring clamp from OEM hose to Eventuri hose at valve cover side.

48. Install new hose onto the intake tube at the rear and tighten the clamp.

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Installation Instructions : GR Corolla: Page 13

49. Reconnect the connector crossing the hose at the rear.

50. Connect the Eventuri hose to the valve cover. Secure with the spring clamp.
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51. Connect the new vacuum line from the Eventuri hose to the crankcase pressure sensor.

52. Reinstall Pressure sensor to the bracket.

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Installation Instructions : GR Corolla: Page 14

53. Reconnect the pressure sensor connector.

54. Breather hose installed.
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You have now completed theinstallation of the Eventuri GRCorolla System.
Eventuri cannot takeresponsibility for an incorrectly
installed intake or any damage
caused during installation.