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C4 ZR-1 Discussion General ZR-1 Corvette Discussion, LT5 Corvette Technical Info, Performance Upgrades, Suspension Setup for Street or Track

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Old 02-11-2012, 07:57 PM   #1
Dominic Sorresso
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Default LT-5 w Z06 exhaust tips + flapper valve

5.7L LT-5 w 430rwhp/385rwtq.
3" SS exhaust w SW Xpipe,
Dynomax UltraFlow muffs, Watson 1 7/8" headers
Z06 Vacuum controlled actuators

http://youtu.be/CcjSzOvAYyk
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Old 02-11-2012, 09:20 PM   #2
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leave it open, nice
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Old 02-14-2012, 11:54 AM   #3
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don't like the closed sound much
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Old 02-14-2012, 07:54 PM   #4
Dominic Sorresso
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When I'm driving the flappers make it a lot more pleasant to hold a conversation or listen to the radio. But get on it, and look out!!!
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Old 02-15-2012, 12:52 PM   #5
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Ultraflow mufflers now have a spring loaded flapper muffler that is supposed to significantly cut noise and then open up at WOT, but they aren't vacuum actuated.
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Old 02-15-2012, 01:47 PM   #6
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There is a great discussion going on at the Registry about the Z06 exhaust tips and mufflers.
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Old 02-25-2012, 01:19 AM   #7
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That sounds great nice tone to it.
You have cams in that?
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Old 02-25-2012, 10:12 AM   #8
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Quote:
Originally Posted by cuisinartvette View Post
That sounds great nice tone to it.
You have cams in that?
Yes. Larger intakes along w ported top end and heads.
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Old 02-28-2012, 12:19 AM   #9
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Quote:
Originally Posted by Dominic Sorresso View Post
5.7L LT-5 w 430rwhp/385rwtq.
3" SS exhaust w SW Xpipe,
Dynomax UltraFlow muffs, Watson 1 7/8" headers
Z06 Vacuum controlled actuators

http://youtu.be/CcjSzOvAYyk
Great idea!

would like to see a drive by at full tilt to hear this car at 6500+rpm in 2nd gear

Last edited by Mr. Gizmo; 02-28-2012 at 12:21 AM.
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Old 02-28-2012, 12:19 AM
 
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