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Discussion Starter #1 (Edited)
do i need an fmu with my combo in the sig? or can i get a custom chip? ive heard fmus arent the best thing to use thanx in advance
 

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You're sig doesn't mention which heads you're running, so i'll assume they are not stock (since you have stg2 cam). That being said, you'll be at the limits of the 36lb injectors with the NOVI blower. I'd spring for some 42lb'ers, a matching MAF and a custom chip. This will allow you to run without the FMU. If you're dead set on using 36lb'ers, then by all means keep the FMU. The last thing you want to do is to have the injectors go static in the upper rpms.......can u say good-bye head gaskets (or worse).
 
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