Cobb Stage 1 vs Stage 1 + TIP

Vaughn

Member
:
Mazdaspeed3 2012
I noticed on just the Stage 1 is set to hit 17 psi while the Stage 1 + TIP is set to hit 16 psi. Just curious if anyone knows why? Thanks!
 
I think its because of being limited By fuel pump. more are flow the lower boost to be safe. thats what i thought when i had it.
 
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