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Detailed Exhaust System Pictures Thanks to Itomn

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  • Detailed Exhaust System Pictures Thanks to Itomn

    Nice up-close pictures of the exhaust system thanks to Itomn at Laguna Seca today. Bottom one thanks to “C8 Jake.” However more Itomn pictures in post # 7.

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    Last edited by John; 08-16-2019, 02:43 PM.
    GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5VM visible carbon fiber package; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards; RCC Edge Red engine cover; VJR illuminated sill plates. Lifetime, annual contributors, and 23 year members of National Corvette Museum. Home is the beautiful Pacific Northwest.

  • #2
    Here are some GM pictures of the LT2 to assist in a fuller perspective.


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    Last edited by John; 08-16-2019, 02:20 PM.
    GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5VM visible carbon fiber package; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards; RCC Edge Red engine cover; VJR illuminated sill plates. Lifetime, annual contributors, and 23 year members of National Corvette Museum. Home is the beautiful Pacific Northwest.

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    • #3
      Awesome close ups John, was wondering what it looked like. Does anyone know if those are the same valves being used in the C7? And are they pretty reliable? I have had issues with other manufacturers valves at 12K miles and were pricey little suckers and difficult to replace.
      Rocket City Florida- 2001 ZO6 - 2013 427 Vert - 2020 Stingray

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      • #4
        Looks like the engineers did a better job of isolating the AFM valves from the exhaust heat this time - so hopefully the electrical components in them don't melt during track driving....

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        • #5
          daleong, you have hit on a very important point, for there were some who had C7 value failures. GM, astutely noting that through warranty claims and technician reports’, made that significant change for the C8.
          GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5VM visible carbon fiber package; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards; RCC Edge Red engine cover; VJR illuminated sill plates. Lifetime, annual contributors, and 23 year members of National Corvette Museum. Home is the beautiful Pacific Northwest.

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          • #6
            So, are those the catastrophic converters bolted to the headers?
            Black over Sky Cool Gray.....2LT.....Z51.....FE4.....E60.....

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            • #7
              Thanks Itomn for another exhaust close-up picture.

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              GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5VM visible carbon fiber package; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards; RCC Edge Red engine cover; VJR illuminated sill plates. Lifetime, annual contributors, and 23 year members of National Corvette Museum. Home is the beautiful Pacific Northwest.

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              • #8
                Originally posted by Meldoon View Post
                So, are those the catastrophic converters bolted to the headers?
                Looks like it, with one O2 sensor just upstream and one in the converter itself for each side.

                Heh-heh, "catastrophic converters" indeed.


                Thanks for the pics Itomn, did they wonder why you were taking so many detailed shots of the exhaust system? You should have worn a Ford Engineering T-shirt or something.
                Last edited by Klinn; 08-16-2019, 02:48 PM.

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                • #9
                  Originally posted by John View Post
                  Thanks Itomn for another exhaust close-up picture.

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                  Yes it looks like they did a good job of bracketing them away from the heat. It even appears there may be enough room to put some heat sink material on the brackets to enable even better cooling so the heat won't transfer through the bracket. I like it and will be modifying the brackets on mine. Thanks Itomn and John. Excellent close ups
                  Rocket City Florida- 2001 ZO6 - 2013 427 Vert - 2020 Stingray

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                  • #10
                    Should be interesting how the aftermarket tackles a replacement system!
                    GD0 Accelerate Yellow Metallic; 3LT; HUE Natural Napa Leather; AE4 Competition Sport Seats; FA5 CF Interior Trim; Z51; FE4 Mag Ride Suspension; E60 Front Lift; Q8Q CF Open Spoke Wheels; J6F BR Brembo Calipers; RCC ER Intake Cover; DTH CF Racing Stripes; ZZ3 Engine App Package; VQK Splash Guards; ERI Battery Protection; R8C Museum Delivery

                    Proud LTM NCM.

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                    • #11
                      Yes it will; perhaps strictly a muffler can and different exhaust tips replacements?
                      GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5VM visible carbon fiber package; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards; RCC Edge Red engine cover; VJR illuminated sill plates. Lifetime, annual contributors, and 23 year members of National Corvette Museum. Home is the beautiful Pacific Northwest.

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                      • #12
                        That looks like a very unique muffler - I wonder if the left and right exhaust header out flows are mixed in the muffler or kept separate ? Also, the aftermarket guys are going to have their hands full with this baby. Many new and unique parts in the exhaust system, not to mention the ECU re-programming issues.

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                        • #13
                          So true Binger, and while I am thinking they might buy a C8 muffler, cut it apart and see how/what they could do to increase its sound without causing secondary issues, consequently take “their” muffler and offer a bunch of different exhaust tips.

                          Please someone, black chrome exhaust tips in different shapes!
                          GBA Black; HTO Twilight/Tension interior; Z51 & Mag Ride; E60 lift; 5VM visible carbon fiber package; 5ZZ high wing; FA5 interior vis CF; ZZ3 engine appearance; 3LT; Q8T Spectra Gray Tridents; J6N Edge Red Calipers; SNG Edge Red Hashmarks; VQK Splash Guards; RCC Edge Red engine cover; VJR illuminated sill plates. Lifetime, annual contributors, and 23 year members of National Corvette Museum. Home is the beautiful Pacific Northwest.

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                          • #14
                            I can’t tell if the exhaust tips are removable or welded on? Anyone know? I might replace them if that’s not hard to do.
                            2020 C8 | Torch Red | Z51 | 3LT | Carbon | Comp Seats
                            2016 Porsche GT4 | Black everything ... sold
                            2016 BMW M2 | Blue | MT ... sold
                            2014 C7 | Torch Red | Z51 | 2LT ... sold

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                            • #15
                              Originally posted by gthal View Post
                              I can’t tell if the exhaust tips are removable or welded on? Anyone know? I might replace them if that’s not hard to do.
                              Looking at the pics they appear to be welded on.

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