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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.
2017 zl1 or GT350 hmmmm
2015 Hellcat-sold
2013 ZL1 -sold
2013 Dart
2013 Megacab 8" lift 38"mt's
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