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Discussion Starter · #1 ·
I hope it's not my engine (it was replaced under warranty at 79K). It just started to happen this morning.

Setup: Stage 2, Cobb intake, Invidia catted downpipe, custom N1 race to Varex muffler, no heatshield (turbo blanket only), 105K miles total

Symptoms: Rattling during acceleration only

- Rattles during acceleration
- In neutral, if I gas a little bit, the same rattling noise
- No ticking or rattling cold or warm at idle (how my first engine went)
- Oil change was done recently; clean and full
- I've been losing coolant (no drips though) on hot days or when I drive "spiritedly" every so often (say 1/2 a quart)

I'm going to drop it off the local Subaru shop (non-dealer) and have it diagnosed. I hate car problems :( I'll try to record the sound later if I can...
 

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Could it be a heat shield?
 

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Discussion Starter · #3 ·
No heat shield, just a turbo blanket :) Unless there are other heat shields I'm not aware of lol
 

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No heat shield, just a turbo blanket :) Unless there are other heat shields I'm not aware of lol
Check around the exhaust. I wouldn’t jump straight to it being hooped.
 
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