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Thread: HJ 308 ute exhaust systems

  1. #1
    P Plater HJsandman75's Avatar
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    HJ 308 ute exhaust systems

    Its time to purchase my exhaust system and as i am doing a fully original restoration, i am looking at exhaust options. From what i have read, no HJ Sandman v8 was fitted with dual exhaust. I read a blog from Byron back in 2015 stated that dual exhaust could have been a dealer fitted. I have an original HJ sales brochure which lists a lot of dealer accessories but nothing about dual exhaust. I have standard cast exhaust manifolds. Can anyone assist- was dual exhaust a dealer option? I prefer dual but if it wasnt available in 1975 then i will go single system. Feedback would be appreciated
    Fred
    1975 sandman ute mandarin red, L31, M21. (Current resto)

  2. #2
    Sandman Driver maxsandman's Avatar
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    Single was original. But I'd put dual on

  3. #3
    Cruiser
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    Quote Originally Posted by HJsandman75 View Post
    Its time to purchase my exhaust system and as i am doing a fully original restoration, i am looking at exhaust options. From what i have read, no HJ Sandman v8 was fitted with dual exhaust. I read a blog from Byron back in 2015 stated that dual exhaust could have been a dealer fitted. I have an original HJ sales brochure which lists a lot of dealer accessories but nothing about dual exhaust. I have standard cast exhaust manifolds. Can anyone assist- was dual exhaust a dealer option? I prefer dual but if it wasnt available in 1975 then i will go single system. Feedback would be appreciated
    Yeah, it wasn't an official dealer accessory. What most dealers did, was simply get the necessary parts from the parts dept. & bolt them on.

    Not a factory option & not an official GM accessory, but it used genuine parts.

    Dr Terry

  4. #4
    Night Rider Valencia's Avatar
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    Twin for the win Fred nice 2 inch system

  5. #5
    There is nothing like the old holden hq hj hx hz even wb Ute panelvan V8 note with a dual exhaust with the appropriate mufflers ...
    A single system just doesn't cut the mustard ...

  6. #6
    P Plater HJsandman75's Avatar
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    Thanks for the feedback, i think i will go twin 2 inch as it can easily be changed back if someone wants to. Any suggestions on mufflers? Rumble but not droning??
    Fred
    1975 sandman ute mandarin red, L31, M21. (Current resto)

  7. #7
    Night Rider Innuendo's Avatar
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    Quote Originally Posted by HJsandman75 View Post
    Thanks for the feedback, i think i will go twin 2 inch as it can easily be changed back if someone wants to. Any suggestions on mufflers? Rumble but not droning??
    Lukey (real brand = real sound).
    Selling HJ 253 Engine
    Engine Number QR718*** | 19M5 Clock Casting at 6 O'Clock
    19th December 1975 Suit HJ Late Dec 1975 to April 1976

  8. #8
    Quote Originally Posted by Innuendo View Post
    Lukey (real brand = real sound).
    Yes ...
    Go to a well known exhaust place with a reputation talk to them what you are wanting... that's what they do for a living .

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