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tholyoak · 04-08-2007, 02:09 PM

I believe Fabspeed claims no CEL when you use their test pipes alone. You would still have the main cats on the headers which would result in no problems. In order to run no cats, you would need to flash the DME with a new program, either custom or ROW.

Todd

04-08-2007, 02:09 PM	#5
tholyoak Registered User Join Date: Jan 2006 Location: Glen Allen, ON Posts: 314	I believe Fabspeed claims no CEL when you use their test pipes alone. You would still have the main cats on the headers which would result in no problems. In order to run no cats, you would need to flash the DME with a new program, either custom or ROW. Todd __________________ Current Cars: 1989 911 Targa 1984 944 Original Owner 1971 911T