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lexluthor09 · 11-02-2009, 09:59 PM

Depends how its tuned. Aftermarket ECU are all about tuneability. Adjusting fuel ratios and all that at X rpms.

Usually things that add hp, take away from gas mileage.

11-02-2009, 09:59 PM	#17
lexluthor09 My dinner reheated before my turbo spooled Join Date: Nov 2003 Location: Vancouver Posts: 1,721 Thanked 80 Times in 33 Posts Failed 0 Times in 0 Posts	Depends how its tuned. Aftermarket ECU are all about tuneability. Adjusting fuel ratios and all that at X rpms. Usually things that add hp, take away from gas mileage.