Welcome to the North American Subaru Impreza Owners Club Tuesday January 19, 2021
Home Forums Images WikiNASIOC Products Store Modifications Upgrade Garage
Go Back   NASIOC > NASIOC Technical > Factory 2.5L Turbo Powertrain (EJ Series Factory 2.5L Turbo)

Welcome to NASIOC - The world's largest online community for Subaru enthusiasts!
Welcome to the NASIOC.com Subaru forum.

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, free of charge, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!

If you have any problems with the registration process or your account login, please contact us.

* As an Amazon Associate I earn from qualifying purchases. 
* Registered users of the site do not see these ads. 
Thread Tools Display Modes
Prev Previous Post   Next Post Next
Old 11-07-2020, 07:43 PM   #1
Scooby Newbie
Member#: 349565
Join Date: Mar 2013
Default Power Loss / Boost Leak? / Up Pipe? / Loud Squealing

Hey guys. I have a 2014 Sti that is basically stock.

Iím having a loud squealing and hissing noise whenever my car goes to boost (3k rpms). Sounds like a loud pig! Noise sounds like is coming from passenger side. I checked for boost and vacuum leaks and replaced the following:

Intercooler couplers
Turbo inlet hose
All clamps

Car acts normal when idling; only weird under boost. Any idea whatís going on?
Could an up pipe be causing problems?

Problems started after I test fitted a cold air intake, took it for a drive, and put the stock back on (I know, it needed a tune).
valerka6234 is offline   Reply With Quote

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

All times are GMT -4. The time now is 05:59 PM.

Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.
Powered by Searchlight © 2021 Axivo Inc.
Copyright ©1999 - 2019, North American Subaru Impreza Owners Club, Inc.

As an Amazon Associate I earn from qualifying purchases.