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      08-22-2012, 07:22 PM   #46
HP Autosport
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Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com

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Quote:
Originally Posted by E30 Racer View Post
Does the GIAC code disable the check engine light from a non-cat downpipe install?
It can be done on a special request and with a written letter that the vehicle is for off highway use only.