Quote:
Originally Posted by MadisonMPG
I did the same thing on my Aerostar a few years back, didn't record an improvement. I may have been too blunt with it. I think it's a very slight benefit if anything.
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Did your's shape downwards?
In my pics it is hard to see but the kammback has ~15 deg curve downwards. I hope it will have a positive effect. I am planning to get a scangauge to have a better record of my mpg.