| so a leak there would screw with the A/F ratio more than it would make a huge power difference. As for your other question, exhaust is usually good for 10-20 HP or so. If the Z you test drove felt wrong or underpowered, I'd look into other issues.
_________________________________________________________________________________ Im n0t Sarcastic (Kenny): not to over do it, but you're certainly the source of high-class Z mods ZEngineer24: what do you mean by that? Im n0t Sarcastic: I just mean, your Z is one I really admire "The Z is the cause and the solution to all my problems" -- Me
"If your car was my car, I'd think it's broken" 
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