- First Name
- John
- Joined
- May 11, 2018
- Threads
- 27
- Messages
- 526
- Reaction score
- 117
- Location
- Colorado
- Vehicle(s)
- CTR
- Thread starter
- Banned
- #1
Car only has 1k miles on it and I usually drive with the windows closed, question regarding the woosh noise. I purchased the k&n air filter noticed my gas milage went down 1.5 mpg combined and not sure it made a difference maybe i dk. If i had some sort of boost leak would the check engine light come on? Everything is sealed on the air box and its impossible to install the filter upside down so I am trying to figure out my woosh woosh when i shift gears. I am assuming this is the blow off valve but really should it be doing this with a stock CTR?
Thanks
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