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Old 10-06-2012, 09:56 PM   #1
RBD
 
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Billy Boat ZL-1 dual mode exhaust

Just got it yesterday for my SEMA build........3" from the cats back, quiet side of the mufflers is smaller......very nice ! will let you guys know how it sounds
with my ARH headers later this week.
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Old 10-09-2012, 09:53 AM   #2
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Is this like the factory dual mode exhaust? I have already destroyed my factory exhaust in less than 1000 miles. It's got packing hanging out the tips.
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Old 10-09-2012, 11:04 AM   #3
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Quote:
Originally Posted by Bcruse84 View Post
Is this like the factory dual mode exhaust? I have already destroyed my factory exhaust in less than 1000 miles. It's got packing hanging out the tips.

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Old 10-09-2012, 12:01 PM   #4
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Is it a flow-through style? Very interesting...
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Old 10-10-2012, 06:29 AM   #5
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This is an aftermarket replacement for the dual mode.....
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Old 10-10-2012, 06:55 AM   #6
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That is very nice work! I really like it. Looks good quality and should sound great! (If looks are any indication)

Are you going to get (not the tips) but the rest of it maybe powder coated or coated in something? Or leave as is?
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Old 10-10-2012, 07:24 AM   #7
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Old 10-10-2012, 07:29 AM   #8
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Very nice! I can't wait to hear it. They had a set on display at Camaro5Fest, but it wasn't on a car. It looks like a nice setup.
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Old 10-10-2012, 11:03 PM   #9
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http://youtu.be/axuoDcts2WI

Billy Boat ZL-1 exhaust with Jannetty's Blower Cam.....
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Old 10-10-2012, 11:13 PM   #10
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noob question here. what is dual mode exhaust ? is it like a cutout or somthing that changes the sound
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Old 10-10-2012, 11:14 PM   #11
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Sweet. Wanna trade?
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Old 10-11-2012, 06:12 PM   #12
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i need my valance back......
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Old 10-11-2012, 06:48 PM   #13
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Originally Posted by RBDesigns View Post
i need my valance back......
LOL. Too late. I'll trade you for the Billy Boat.
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Old 10-12-2012, 01:31 PM   #14
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No way !
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Old 11-18-2012, 06:48 PM   #15
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What do you think of the exhaust after driving it a bit? Any drone?
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Old 11-18-2012, 08:14 PM   #16
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How much louder then stock is it with the flaps closed? thats the big question.
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Old 11-18-2012, 09:06 PM   #17
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I ordered mine last week, can't wait for this bad boy!!
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Old 11-19-2012, 02:58 PM   #18
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I can only speak from a Corvette perspective on the sounds and quality of the B&B products but I will say

The flap open does make a much more destinctive sound than stock and it is much louder at WOT than stock.

For the Noob:
Bi-modal exhaust has a valve inside the muffler that opens at specific RPM threshhold. On the Vette I think it's 3400 rpm or maybe 3800 I can't remember. You can also get a switch to control it mannualy(in the vette applications), it's called the "mild to wild" switch.

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Old 11-19-2012, 03:35 PM   #19
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Quote:
Originally Posted by RBDesigns View Post
http://youtu.be/axuoDcts2WI

Billy Boat ZL-1 exhaust with Jannetty's Blower Cam.....

is this video with the valve open or closed? How loud is it with the valves closed and headers without cats?

Also in the pictures on the top, on the valve closed picture, its not fully closed is that because you did not fully shut the valve or is that the maximum it would shut?
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Old 11-19-2012, 04:14 PM   #20
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Quote:
Originally Posted by Speedforhire View Post
i wondered about this too, i picked some packing out from mine yesterday when i washed it. this muffler or cat material?
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