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Old 09-30-2012, 10:40 AM   #1
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Drives: 2012 ZL1 #165
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Aftermarket dual mode exhaust?

Hello everyone, i ran into this video of a billy boat aftermarket exhaust for the ZL1 that retains the dual mode...
- Does anyone have experience with this product? (maybe even from the vette)?
- Do other manufacturers offer dual mode aftermarket exhausts?

P.S. the power gain is a mute point especially since we dont see/know what happens at higher RPMs...

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Old 09-30-2012, 10:48 AM   #2
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6liter has an aftermarket dual note exhaust, the name escapes me at the moment
Click to view my build thread
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Old 09-30-2012, 11:18 AM   #3
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I think the stock Exhaust sounds louder ? and better?
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Old 09-30-2012, 06:39 PM   #4
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Some guys in my Corvette club have the dual mode Billy Boat exhaust, they seem to like it a lot. I think it sounds OK.
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Old 09-30-2012, 07:43 PM   #5
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I like it!!
I am a Modaholic!! Please Help!! Do Not feed my addicition....See build...

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Old 09-30-2012, 09:43 PM   #6
Drives: 1969 502 4 sp, 2013 ZL1, 2008 Z06
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I have the billy boat exhaust ordered & it should ship next week. I'm going to have it put on with my header install. I will let everyone know how it sounds when I get it on the car. Billy boat products seem to be very well made.
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Old 09-30-2012, 11:19 PM   #7

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On the z06's the billy boat sounds better than stock. But the stock mufflers are very quiet on those cars.

I am not a huge fan. I liked the borla Stingers on my z06 better than the corsa or billy boat. the borla had the most drone of the three though.

I have yet to find the perfect balance no drone but awesome sound at idle and wot. The billy boat was my least favorite of those three overall.
2015 Hellcat
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