I have an 06 LGT that’s making a harsh noise from the engine after a half hour of driving and I don’t know what’s causing it. I don’t have the money and resources to pull the engine to see what’s wrong, so I’m hoping you guys can determine by listening. I’ll have a video posted below.
Here are some things I have done to the engine that might be causing the noise:
-Invidia up-pipe, rest of the exhaust is stock
-All exhaust gaskets have been replaced
-Local Subaru dealership fixed an exhaust leak
-I ran a K&N CAÍ for a few months before switching back to the stock intake
I don’t if anything else has been done by the previous owners.
If it matters, I’m running Castrol Edge 10w-40 full synthetic oil, but the noise has been happening with 5w-30 as well.
The first part of the video is a cold start, the second part is after warming up, and the third part is after a couple hours of Doordashing and a few heavy accelerations. The AC is turned off for all 3 parts.
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