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Thread: DPI SPEC 1 Exhaust Audio?

  1. #1
    Member hippieman9's Avatar
    Join Date:  Jan 2018

    Location:  Haw River, NC

    Posts:    82

    My VIN:    06668 81' Grey interior, 5 speed, Grooved hood. Previous owner of 16301, in 2001.

    DPI SPEC 1 Exhaust Audio?

    I have been trying to find a good video/audio of DPI's Spec 1 exhaust. There are a few videos on you tube but the sound quality isn't there. I have heard great things about this exhaust but I would really like to hear it in person. Is there anyone in North Carolina that has one installed that would let me hear it? Also how much louder is it inside the car while driving vs. stock? Thanks!

  2. #2
    Certified Stainless!! Chris Burns's Avatar
    Join Date:  May 2011

    Location:  Fernandina Beach Fl

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    My VIN:    Getting closer and closer...

    Club(s):   (DCF)

    VIN 6813 running with DPI Spec 1 cat delete exhaust.

    Video running inside garage.

    https://m.youtube.com/watch?v=gAicVDyazqs



    Video running as car is pulling out.

    https://m.youtube.com/watch?v=iybJx2Ln7ec

    If you go this route make sure to get your exhaust and headers ceramic coated!!

    You will not regret it!!

  3. #3
    Member hippieman9's Avatar
    Join Date:  Jan 2018

    Location:  Haw River, NC

    Posts:    82

    My VIN:    06668 81' Grey interior, 5 speed, Grooved hood. Previous owner of 16301, in 2001.

    Quote Originally Posted by Chris Burns View Post
    Video running inside garage.

    https://m.youtube.com/watch?v=gAicVDyazqs



    Video running as car is pulling out.

    https://m.youtube.com/watch?v=iybJx2Ln7ec

    If you go this route make sure to get your exhaust and headers ceramic coated!!

    You will not regret it!!
    If the exhaust is all stainless what would be the point in having it ceramic coated?

  4. #4
    Member kbrown84's Avatar
    Join Date:  Oct 2013

    Location:  Indianapolis, IN

    Posts:    89

    My VIN:    3513

    Quote Originally Posted by hippieman9 View Post
    If the exhaust is all stainless what would be the point in having it ceramic coated?
    The stainless will turn brown over time, and it is visible from the rear so some folks will coat them for looks...itís supposed to also reduce temps in the engine compartment, not sure if it really does though.

    Hereís a clip of my Stage 2 with a DPI exhaust...
    https://youtu.be/x8GtlUuCZTI




    Sent from my iPhone using Tapatalk
    Kolin Brown
    President
    Indiana DeLorean Motor Club



    VIN 3513 - Black/Blue Custom Interior, 5 Speed, Grooved Hood, DMCH Stage 2, DMCH Performance Suspension, DM-ENG Upgrades

    "People who are crazy enough to think they can change the world are the ones who do." - Steve Jobs

  5. #5
    Certified Stainless!! Chris Burns's Avatar
    Join Date:  May 2011

    Location:  Fernandina Beach Fl

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    Here are 2 pics of aftermarket Delorean exhausts.

    Ceramic Coated vs Non Ceramic coated.

    Ceramic coating keeps the heat down and helps the exhaust last longer.

    The 2.8 V6 puts out a good bit of heat and over time it can make any exhaust rusty.
    Attached Images
    Last edited by Chris Burns; 05-17-2018 at 11:23 AM.

  6. #6
    Member hippieman9's Avatar
    Join Date:  Jan 2018

    Location:  Haw River, NC

    Posts:    82

    My VIN:    06668 81' Grey interior, 5 speed, Grooved hood. Previous owner of 16301, in 2001.

    Quote Originally Posted by Chris Burns View Post
    Here are 2 pics of aftermarket Delorean exhausts.

    Non Ceramic Coated vs Ceramic coated.

    Ceramic coating keeps the heat down and helps the exhaust last longer.

    The 2.8 V6 puts out a good bit of heat and over time it can make any exhaust rusty.
    Good thing Jet Hot is in the town I live.

  7. #7
    Customized Member 81dmc's Avatar
    Join Date:  Feb 2013

    Location:  Magnolia, TX

    Posts:    545

    My VIN:    831

    Quote Originally Posted by Chris Burns View Post
    Here are 2 pics of aftermarket Delorean exhausts.

    Ceramic Coated vs Non Ceramic coated.

    Ceramic coating keeps the heat down and helps the exhaust last longer.

    The 2.8 V6 puts out a good bit of heat and over time it can make any exhaust rusty.
    That second pic looks like a stage 1 exhaust, which also came in steel.

    I actually have the bare spec 1 exhaust on my car, and only the headers darkened a bit. And even with those darkened, they still look absolutely great.
    Rodolfo

    SPEC I Stainless Exhaust, Delorean.eu Roof Box, Kenwood Double Din, Black Leather Interior, Improved Wiring, Custom Dakota Digital Instrument Cluster, QA1 Suspension, Rostra Cruise Control

  8. #8
    Formally hmm252000
    Join Date:  May 2011

    Location:  Hillsboro, OR

    Posts:    446

    My VIN:    4099

    Club(s):   (PNDC)

    Yes, that pic is of a first gen Stage 1 from DMCH that rusted like that (wasn't made of SS). I have a DPI Spec 1 for about 8 years now that's not coated. Obviously doesn't look as nice, but there's no rust. Just a champagne color to it.

  9. #9
    Nit-picking customer(as seen on TV) Iznodmad's Avatar
    Join Date:  May 2011

    Location:  Lexington, NC

    Posts:    727

    My VIN:    #5000 (Grey, manual), #16128 (Grey, auto, efi twin turbo), #888 (black, manual)

    Club(s):   (DCVA) (SEDOC) (DCUK)

    Yes, there is an owner near me with it, may be able to arrange a meeting for you to see it in person. I had two of the SPEC 1 systems and drove both many thousands of miles. My personal favorite by far, you wonít go wrong purchasing and installing it.

  10. #10
    Member hippieman9's Avatar
    Join Date:  Jan 2018

    Location:  Haw River, NC

    Posts:    82

    My VIN:    06668 81' Grey interior, 5 speed, Grooved hood. Previous owner of 16301, in 2001.

    That would be wonderful Iím only about an hour away. I would love to hear it In person if they are willing.

    Quote Originally Posted by Iznodmad View Post
    Yes, there is an owner near me with it, may be able to arrange a meeting for you to see it in person. I had two of the SPEC 1 systems and drove both many thousands of miles. My personal favorite by far, you wonít go wrong purchasing and installing it.

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