Fuel Injectors 21 Or 19 ??????

99YELLOWGT99

New Member
Apr 14, 2004
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I have a set of 21lb injectors from an 03' GT. My car is a 99 and it has the 19lbs injectors. Would it be worth the trouble it to swap to the 21's???? I have a predator programmer. Can you program the ECU with the Predator for the 21's??? :shrug: