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New LS3 vette?

This is a discussion on New LS3 vette? within the Corvette forums, part of the Vehicle Specific category; Saw a brand new LS3 vette yesterday still wearing a 3 day old temp tag. As I sat behind it ...

  1. #1
    Moderator Firebirdjones's Avatar
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    New LS3 vette?

    Saw a brand new LS3 vette yesterday still wearing a 3 day old temp tag.

    As I sat behind it at the light I noticed something strange on the rear mufflers. It appeared to have some electric trap doors right near the tailpipes,,,,as if this thing came factory with some sort of electric exhaust opener. Is this factory issue stuff on the new vettes now?

  2. #2
    Local Idiot Selah's Avatar
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    Cyclone Grey Metallic
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    The 2008 Corvette will deliver 430 horsepower and 424 lb-ft of torque on the most basic model, or 436 hp and 428 lb-ft with new, optional dual-mode exhaust system. The engine's displacement has increased from 6.0 liters to 6.2L, or 376-cubic-inches.


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    Senior Member Danger731's Avatar
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    good answer for not answering the question

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    Member Benner's Avatar
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    Yeah it's the same style setup as the new Z06's. the exhaust has buttlerfly valves that open under certain conditions to allow more airflow and better highend power. There that should answer the question.

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    Moderator Firebirdjones's Avatar
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    Okay so I wasn't seeing things then. Thanks.

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    Local Idiot Selah's Avatar
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    Cyclone Grey Metallic
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    Quote Originally Posted by Danger731 View Post
    good answer for not answering the question
    Heh?


    The 2008 Corvette will deliver 430 horsepower and 424 lb-ft of torque on the most basic model, or 436 hp and 428 lb-ft with new, optional dual-mode exhaust system. The engine's displacement has increased from 6.0 liters to 6.2L, or 376-cubic-inches.

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    Moderator Firebirdjones's Avatar
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    I think what Danger means is I was only asking about the trap doors at the rear of the exhaust system that I spotted on a new vette the other day.

    I am already aware of the engine change they have for the new year,,,,but thanks anyway for the thorough writeup,,,,it never hurts.

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    Junior Member 08 Vette's Avatar
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    The harder you accelerate the more it opens. I took the fuse out that operates the system. Mine stays open all the time.

  9. #9
    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by 08 Vette View Post
    The harder you accelerate the more it opens. I took the fuse out that operates the system. Mine stays open all the time.
    I knew it wouldn't take long for people to find a way to keep that open,,,,

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    basically this allows a nice mellow tone when your setting still or in low throttle. But much higher exhaust note when your really into it and want/need it. Was covered on an auto show somewhere I saw, very neat concept. That's on the Z51 package or something like that.

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    Senior Member Blown Interceptor's Avatar
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    Danger has no business on the corvette part of this board anyway...

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    Moderator Firebirdjones's Avatar
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    Hmmmm,,,why is that?

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    Senior Member t-rock's Avatar
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    my local dealer pointed it out to me they are open during cold starts and re open during wot.
    he said its a 6hp option but that is under rated . he said he could feel a pretty big difference between the two.

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    Senior Member Blown Interceptor's Avatar
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    Quote Originally Posted by Firebirdjones View Post
    Hmmmm,,,why is that?


    I'm just messing with him...

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    United States Marine Kamauxx's Avatar
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    Quote Originally Posted by t-rock View Post
    my local dealer pointed it out to me they are open during cold starts and re open during wot.
    he said its a 6hp option but that is under rated . he said he could feel a pretty big difference between the two.
    A dealer felt a pretty big difference in a car with optional xxx? No fucking way! You'd better take what that dealer felt with a grain of salt. If you buy a Vette are you going to stick with the stock exhaust anyway? I know I won't when I get mine in 09.

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    NY Representative basballny2's Avatar
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    Quote Originally Posted by Blown Interceptor View Post
    Danger has no business on the corvette part of this board anyway...
    because hes a vett guy himself and all vett guys are the same, they do wut they want, isnt that right vett guy?

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    Member ApexVIII's Avatar
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    Quote Originally Posted by 08 Vette View Post
    The harder you accelerate the more it opens. I took the fuse out that operates the system. Mine stays open all the time.
    yup. i saw one at the track a few weeks ago, with intake it ran a 12.22@ 119.5

    insane!!
    M6, Lid, Ported and Polished Throttle Body (By Me!), LT, Custom Catted Y, Electric Cutout, PHB, LCA13.21@108 with a 2.3 60'

  18. #18
    Senior Member t-rock's Avatar
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    Quote Originally Posted by Kamauxx View Post
    A dealer felt a pretty big difference in a car with optional xxx? No fucking way! You'd better take what that dealer felt with a grain of salt. If you buy a Vette are you going to stick with the stock exhaust anyway? I know I won't when I get mine in 09.
    i repeated what the salesman told me,im just passing on what i was told. so take it easy there 'bud.. if have the money to buy a vette i will know my salt intake.

  19. #19
    Member hoss 2000 z-28's Avatar
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    If I were to buy a new 'Vette, I'd skip the optional exhaust and throw on Magnaflow. Kind of a cool gimmick though for someone who doesn't want to mod.

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