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Registered
Join Date: Aug 2012
Location: Philadelphia Area
Posts: 3,723
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Thank you for the great advise, new to 928s.
I already removed the cat and the y pipe did add some power.
Trying to lighten it.
Compared to a '86 911 Carrera motor it feels like there is a flat spot in power curve in my '83 US models
I think cams and headers are the way to go.
Thanks
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Matt Mariani @the_r_institute
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FIKSE Wheels
Mod Italian Wheels
Maxilite classic wheels
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