Miata Parts, Intakes, Superchargers, Headers, Exhausts, Shocks, Springs, Sway Bars, Brake Kits, Autocross and track mods.
I have a supercharged 2009 with GW sport header (no cat) mid pipe and Q. What kind of a performance hit, if any, would the glass pack inserts produce?
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I don't know, can't recall doing test with the supercharger on there and one packed baffle and then two, etc.
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