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Discussion Starter · #1 ·
*Do at your own risk*

VW OEM PARTS:
1K0-145-770-N – Tiguan Pipe

1K0-971-866-A -- Firewall plug
1K0-971-865-A – Firewall Clip

OR a 2” Qwik Cap from Home Depot


TOOLS:
Torx T-30
Torx T-25
Flat blade screwdriver
Channel Locks
Ratchet
Ratchet Extension
7mm socket
13mm socket
10mm socket



1. Remove hose clamp with channel locks by the throttle body (slide to the right) & Remove T-30 screw


2. Unclip the 2 rubber hoses


3. Undo the T-30 screw


4. Use the flat blade screwdriver to pull up the clip....then pull out of the noisemaker inlet


5. Remove the plumbing from the car


6. Loosen up the upper clamp with the 7mm socket & unclip the boost sensor harness (push back on the tab & then slide down)


7. Undo the T-30 screw


8. Remove the (8) T-25 screws holding the belly pan on


9. Push on the tabs to release it from the car & set aside


10. Loosen up the lower clamp with the 7mm socket


11. Undo the lower T-30 screw


12. From under the car, pull down on the stock pipe to remove it from the throttle body hose & then wiggle it free out of the car.

13. What you removed


14. Comparison picture




15. Swap the boost sensor over to the Tiguan pipe with a T-25 Torx


16. Reinstall in the car…sliding the pipe up from underneath the car. Slide it into the throttle body hose FIRST. Then connect the lower intercooler hose. Makre sure everything is lined up, then tighten the 2 screws on the pipe to the engine block. Then tighten down the stock upper & lower clamps. Reconnect the boost sensor harness.






17. Remove the alternator bracket (if you wish)…since it’s not needed anymore. It’s 2x 13mm bolts.


18. After removal


19. These 2 hoses can be zip tied together, OR I used a OEM clip from a Passat/Tiguan to hold them together (since they don’t have the noisemaker from the factory).




20. Now you have a opening for the inlet of the noisemaker.


21. You can cap it off with a $4 2” cap from Home Depot






22. OR you can use the Jetta firewall insert for a cleaner OEM look

23. Remove the weather stripping (just peels off) & foam inserts on the ends


24. Remove the firewall panel…..lift up on the wiper cowl to see the 10mm bolt on the passenger side & the 10mm nut on the driver’s side. Make sure the wire harness on the back side of the panel is removed from the clips on the back, before you remove it.




25. Here’s the noisemaker. It’s held down by (2) T-30 screws. Remove them & then you can wiggle the noisemaker out from under the cowl






26. Now you’re left with a hole in the firewall plug.


27. Remove the upper clip (2 prongs on each side). Push back on the “plug” & wiggle the harness out of it to fully remove it

28. A comparison of the 2 firewall plugs


29. The new firewall plug & top clip




30. Slide the harness into the new plug & snap it into the firewall. Then snap the top clip onto it.


31. Put the firewall panel back in place. Make sure the wire harness snaps back into the clips on the back of the cowl piece as well. Tighten down the 10mm bolt & the 10mm nut. Install the weather stripping & end foam pieces.


32. Finished product






33. Compared to stock
 

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Very nice and comprehensive write up. This mod does wonders for cleaning up the engine bay!

Do you have a part # for the Passat/ Tiguan hose clip? Need to pick one up.
 

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nice write uP!!!!!!!!!:thumbup: makes me want to do this asap looks very clean
 

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Discussion Starter · #5 ·
Do you have a part # for the Passat/ Tiguan hose clip? Need to pick one up.
Everyone keeps asking me that, lol.

But I don't have the part number, sorry

I "borrowed" it from a Passat, and there aren't any markings/part numbers or anything on it :confused:

Just seems like a universal VW clip.

OR just use a zip tie like I did on my MKV before I found the clip
 

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Great writeup, but I have just one concern. I did this last Friday and 3 days went by with no issues. Today and yesterday my car was idling slightly funny and even at speed I could feel some jerking. Just now when I got home the car nearly stalled just sitting cooling down from the ride. Thoughts?
 

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Great writeup, but I have just one concern. I did this last Friday and 3 days went by with no issues. Today and yesterday my car was idling slightly funny and even at speed I could feel some jerking. Just now when I got home the car nearly stalled just sitting cooling down from the ride. Thoughts?
Any other mods?
Did you check for any leaks?
 

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Any other mods?
Did you check for any leaks?
Nope this was my first dip into modland. So I turned the car on after having it sit for roughly 4 hours. I noticed there was a loose screw on the airbox that houses the air filter, so I tightened that back up and went on a test drive. Now the car definitely feels like it has a leak somewhere. It idles fine, but every time I press the throttle it dips down and then shoots up on the tac, and I can't physically stop the car without it stalling. It's not a hard stall, just a somewhat quick stall that's not jerky at all.
 

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Discussion Starter · #10 ·
what is the point of this pipe in the first place?
To create & direct "vroom vroom" (engine/turbo noise) in the cabin

The only problem is that it's using "boost" to create it.

The new Soundaktors that are in the newer MK6 GTI's....it's a speaker (instead of this muffler) that creates noise instead of this pipe.
Newer Mustangs have the noise pipe going into the cabin (from the intake)....to create engine noise inside the cabin for the driver.

Porsche & BMW have some systems where they play engine sounds from the speakers to fake the noise...read here:
http://www.caranddriver.com/features/faking-it-engine-sound-enhancement-explained-tech-dept
 

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To create & direct "vroom vroom" (engine/turbo noise) in the cabin

The only problem is that it's using "boost" to create it.

The new Soundaktors that are in the newer MK6 GTI's....it's a speaker (instead of this muffler) that creates noise instead of this pipe.
Newer Mustangs have the noise pipe going into the cabin (from the intake)....to create engine noise inside the cabin for the driver.

Porsche & BMW have some systems where they play engine sounds from the speakers to fake the noise...read here:
http://www.caranddriver.com/features/faking-it-engine-sound-enhancement-explained-tech-dept
Thanks for the information! That seems like the dumbest thing I have ever heard. :banghead:
 

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Dammit--links are dead.

Any chance OP could repost pics?
 
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