Ford Mustang Forum - View Single Post - BBK Shorty headers 2012 V6
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post #2 of (permalink) Old 10-23-2013
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<3_3.7's Avatar
Joined: Aug 2013
Location: The Streets
Posts: 519
I checked afrs after the shorties were installed and I was slightly lean so more fuel had to be added.

I got ceramics and pretty sure my temps dropped a little, but all I have to go by is how quickly I noticed idle temps drop after moving and that they don't go as high or as fast, so the fan isn't kicking on as much.

I am tuned but 100% sure you won't get a cel by just installing them.

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