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P2R Throttle Body Spacer dyno with I/H/E??
Does anyone with Intake, Header, Exhaust have dyno number before and after the throttle body spacer install?? I have only seen stock cars with the throttle body spacer, and they all pick up around 5whp... But I'm just trying to see if it will indeed pick up 5whp range if you have I/H/E already installed.
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