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Exhasust Drone Fix w/valve install?

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Exhasust Drone Fix w/valve install?

 
Old 12-29-2014, 04:55 PM
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Default Exhasust Drone Fix w/valve install?

Hey guys, I'm new here, and have a 2008 RS4. I have had GMG exhaust on it for a good while (like on the Grey Daytona RS4 in the youtube video) and just removed it due to the low rev drone inside the car. There is no control valve setup on these, so the vacuum lines were plugged.

I LOVED the sound of it from outside all the time. I loved the sound inside only when up in the revs slightly. I was thinking about buying two 2.5" exhaust vacuum control valves.
(
Amazon.com: Weldable Stainless Steel Exhaust Control Valve Set Vacuum Actuator 2 1/2" 63mm Pipe Open Condition: Automotive Amazon.com: Weldable Stainless Steel Exhaust Control Valve Set Vacuum Actuator 2 1/2" 63mm Pipe Open Condition: Automotive
) and installing them on one of the two pipes between the muffler and the tip on each side, and maybe even making the always-open pipe a slightly diameter by tacking a smaller sized pipe into each side. (basically like the stock setup)

Have any of you found a good way to deal with drone? I take clients to lunch every now and then, and need to be able to do it without giving them a headache. It's just too nice of a car to get into, and not have a way of controlling that.

Thanks for any feedback!
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