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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 01-13-2014, 07:25 PM   #1
ilirg
 
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Zl1 exhaust on L99

Does anyone have a soundclip of a zl1 or npp exhaust on an L99?

Thanks
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Old 01-13-2014, 07:43 PM   #2
trw427ss @ Futral

 
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Quote:
Originally Posted by ilirg View Post
Does anyone have a soundclip of a zl1 or npp exhaust on an L99?

Thanks

Here is my L99 with a ZL1 exhaust.
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2013 2SS/RS L99/A6 Crystal Red Metallic Tincoat 12.76@108.98mph Bone Stock
12.46@111.19mph with New Era CAI & U/D Pulley
12.12 @ 114.16 after Stainless Power headers and no tune yet on stock P-Zero's!
12.007@ 115.20 With 18" Drag Radials-11.76 @116.59 With Yank SS3200 Converter
11.44 @118.75 Bolt-no Record-After H/C 10.93 @126.86
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Old 01-14-2014, 03:51 AM   #3
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Awesome thanks bro
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Old 01-14-2014, 02:56 PM   #4
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With no dual mode hook up, do the flaps stay open or closed? Can I adjust them manually?
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Old 01-14-2014, 06:43 PM   #5
trw427ss @ Futral

 
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Quote:
Originally Posted by ilirg View Post
With no dual mode hook up, do the flaps stay open or closed? Can I adjust them manually?
They stay open.
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2013 2SS/RS L99/A6 Crystal Red Metallic Tincoat 12.76@108.98mph Bone Stock
12.46@111.19mph with New Era CAI & U/D Pulley
12.12 @ 114.16 after Stainless Power headers and no tune yet on stock P-Zero's!
12.007@ 115.20 With 18" Drag Radials-11.76 @116.59 With Yank SS3200 Converter
11.44 @118.75 Bolt-no Record-After H/C 10.93 @126.86
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Old 01-14-2014, 06:48 PM   #6
trw427ss @ Futral

 
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If you just run a vacuum line from the intake to the mufflers when you crank the engine they will be open for a few seconds and then close and will stay closed until you step on the throttle and the manifold vacuum will drop and the mufflers will open as soon as you let off the throttle the mufflers will close!
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2013 2SS/RS L99/A6 Crystal Red Metallic Tincoat 12.76@108.98mph Bone Stock
12.46@111.19mph with New Era CAI & U/D Pulley
12.12 @ 114.16 after Stainless Power headers and no tune yet on stock P-Zero's!
12.007@ 115.20 With 18" Drag Radials-11.76 @116.59 With Yank SS3200 Converter
11.44 @118.75 Bolt-no Record-After H/C 10.93 @126.86
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Old 01-14-2014, 08:22 PM   #7
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Awesome just read the thread on how to do this. I was just worried about drone on the highway cruising.
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