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Old 02-16-2017, 12:17 PM
XY GTHO Ph III XY GTHO Ph III is offline
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Join Date: Jan 2017
Location: Mission Viejo, CA
Cobra Make, Engine: 2010 Backdraft Stroked 392
Posts: 12
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Default Butterfly Exhaust Valves

Does anyone have Exhaust Butterfly Valves on there Cobra. I ask as I want to drive my Cobra to work but I leave around 5:30am so with the Cobra being so loud I will become know to my neighbours as that prick that starts his car at 5:30am in the morning guy. I saw a product that Harley's have on there bikes where a butterfly valve is placed in the exhaust and when closed 90% off it quietens the exhaust sound dramatically and when you get out on the freeway you can open it up 100% and you have the sound and performance like it was not there. Anyway I want to put those on my Cobra to lessen the noise when I start up and get around the neighbourhood, Thanks
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