| the AFC2 has more map points. And it also has a high and low boost pressure settings. The AFC2 has knock detection as well. The Greddy E-Manage is better than AFC2 as it will also do timing control and it does its job by modifying the signal to the injectors themselves. Unlike the AFC2 and AFR. New products that are out there making some ground but not yet available. However the real question is how much tunin do you really need? Alot of the tuning the JWT ECU can be done by simply modifying the fuel pressure with a Fuel pressure regulator. Also these devices can blow up your card so unless you have access to a dyno I would be careful.

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