Mustang Ecoboost Forum - View Single Post - White smoke after 3"catless downpipe
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post #1 of Old 07-02-2016, 11:56 PM Thread Starter
Junior Member
Join Date: Jul 2016
Posts: 1
White smoke after 3"catless downpipe

I have a 2016 ecoboost and have no mufflers , resenator. I had the one cat on the stock downpipe, after getting a 3" catless downpipe installed my exhuast smells like gas fumes and white smoke every now and then at idle. Any idea why it's happening and how to fix it?
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