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Anti Reversion Cones?

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Old 03-07-2007, 06:10 PM
rcmty rcmty is offline
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Join Date: Sep 2006
Location: Milton, Fl
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Default Anti Reversion Cones?

I have 07 Heritage and I'm running the vance & hines big shot longs and thinking about using the anti reversion cones in my exhaust head. The problem I'm trying to clear up by using them is my pipes are poping real bad on deceleration and the vance & hines really have no good tone to them they just make a deep roar sound. I might even try removing my baffles with the anti reversion cone trying to find a tone not just a roar. Any one using a similar set up
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Old 03-07-2007, 06:27 PM
Rhubarb Rhubarb is offline
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Location: Concord, CA
Posts: 5,256
Default RE: Anti Reversion Cones?

Try quiet baffles... but popping is going to be there unless you tune it out using some tuning device (download, pcii, sert, dfo, fuelpak, etc...)

Make sure your headpipes are secure to your motor. They tend to loosen up at the heads.

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Old 03-07-2007, 06:37 PM
sleepneagle sleepneagle is offline
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Join Date: May 2006
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Default RE: Anti Reversion Cones?

anti-reversion aka power cones, break up sound waves that travel inside the pipe. think of these waves as a slinky. the slinky stretces out and then rebounds. the waves move back and forth in the pipe. now think about putting a bolt into the middle of the stretched slinky. the rebound stops. Power cones help deliver more power in straight pipes. They do nothing on pop or sound issues.
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Old 08-26-2015, 12:32 AM
Wino Wino is offline
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Join Date: Jun 2013
Location: Northern Nevada
Posts: 21

I think instead of the ar cones, you can put a thumb screw in the muffler. Same effect as ar cones, but one tenth the dinero.
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