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Hey guys,
I just installed my isr O2 housing and ISR downpipe. Install went fairly well, I feel like it is aligned properly and the whole system doesn’t shake or wobble. I did notice a weird smell and some white smoke coming from the engine bay after install though. I’m not sure if it’s all the penetrating fluid or maybe some plastic is melting from the heat but it is noticeable. (It is way hotter in the engine bay now).
As for the exhaust, I do hear some rattling/rumbling coming in at lower RPMS or if I go over bumps and stuff. I did notice slight leaks coming from the mid pipe area. Maybe it’s that? Any ideas?
Also remember this exhaust bolts have to be super tight. I never really use gaskets.
 

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If you bought these new, it's normal for them to smell after install - it's oil/fluid residue from the factory. I remember when I installed my catback it smelled like weird popcorn for a few days after install. Thought my car was going to light on fire lol.
My engine bay is a lot hotter than it was.
 
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