joep fpr?

Spoolin3.5msp

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2003.5 mazdaspeed protege
anyone using or used the joe p fpr with any input on efficiency or noticeable difference when under boost just kind of curious if it's worth messing with?
 
I purchased it but have been advised by many not to use it.

I will sell you mine for $5. PM me.
 
if you are looking for something to give you driveability and stay near stock boost say 7.5psi I think it would be good for you. Its just not something that would go well with a higher boost setup.
 
currently running stock boost (about 6.5 to 7 psi) looking to run around 9 with a non flashed computer think it would be safe?
 
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