Isn't it true that with each new breather mod, the gains are not as significant?
Also, anybody have a relative idea of what kind of gains the OP can expect with a tune?
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Current Ride: 2012 Nissan 370Z NISMO #0389
Mods: Fast Intentions Resonated Test Pipes and TDX Exhaust with 18" Resonators (#1054), K&N Drop-Ins, GTR Start Button
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