Quote:
Originally Posted by DanG
It opens the valve on the exhaust. The volume of noise exceeds most state standards with valves open. So it is labeled as Track Mode because on the trac there is no noise requirement.
Some say it adds 5 hp others say it does nothing.
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I didn't know that. It's funny, because most V8 Mustang and Camaro's sound way louder than the M2 MPE, even with the valves open.