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Discussion Starter · #1 ·
I bought this ST and after install a careless downpipe and a catback stink really bad, I know is not just the because the catless downpipe, I'm in the world of street racing for more than 16 years and all my cars always have catless downpipe, I need help, is this because the car, the gas I'm using? Someone can please help me, thanks in advance.
 

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Welcome to the catless focus world. Enjoy the smells!
 
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A new catback and downpipe will smell like something is burning for the first 100 miles or so. This smells goes away after all the oil that they use to keep the parts shiny burns off.

Give it a week or two and it shouldn't smell anymore.

You will still be stuck with the unburnt fuel smell because of being catless though.
 
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