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  1. #1
    Non-member rew's Avatar
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    what exhaust?

    I need a decent( loud back box for my Renault 5 gordini Turbo, I'm having the down pipe and mid section made up but will need a back box to be made in to it, what are you guys running as I want a nice wastegate and on boost sound need It no bigger then 3 inch!

  2. #2
    Committee Member Sparkie's Avatar
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    Re: what exhaust?

    most people go for a side exit, where the join is under the n/s door....

    http://www.youtube.com/watch?v=767DwzaBkyo

  3. #3
    Non-member R5TURBORON's Avatar
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    Re: what exhaust?

    I had a full custom exhaust made for mine including back box it's 2.5" bore with 3" outwards roled tip





    Cost me £260 if I remember right

  4. #4
    Non-member The new Bill J's Avatar
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    Re: what exhaust?

    Nice - Shame it's not a Gordini

  5. #5
    Non-member rew's Avatar
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    Re: what exhaust?

    I like the side exit would it be hard to do? What mounts will it use and what silencer?

  6. #6
    Non-member R5TURBORON's Avatar
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    Re: what exhaust?

    I know it's not a gordini mate mate works at a bespoke exhaust place in Nottingham make full systems from scratch for any cars.

  7. #7
    Non-member gttjames's Avatar
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    Re: what exhaust?

    Quote Originally Posted by R5TURBORON View Post
    I know it's not a gordini mate mate works at a bespoke exhaust place in Nottingham make full systems from scratch for any cars.
    what does that system sound like though? video

    Looks very nice, i have the same exit on mine, the older scorpion 3inch, shame the pipework on the rest of it is on 2inch though. I would like it 2.5inch

  8. #8
    Committee Member Sparkie's Avatar
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    Re: what exhaust?

    Quote Originally Posted by rew View Post
    I like the side exit would it be hard to do? What mounts will it use and what silencer?
    some use a small ford silencer under the sill, others use the spacer under the inner wing to mount a silencer. you use the OE mounts - the bobbins drilled into the floor.

  9. #9
    Non-member R5TURBORON's Avatar
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    Re: what exhaust?

    Quote Originally Posted by gttjames View Post
    what does that system sound like though? video

    Looks very nice, i have the same exit on mine, the older scorpion 3inch, shame the pipework on the rest of it is on 2inch though. I would like it 2.5inch
    My turbo is off at the minute so can't take a video be I will when it's back on

  10. #10
    Non-member gttjames's Avatar
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    Re: what exhaust?

    Quote Originally Posted by R5TURBORON View Post
    My turbo is off at the minute so can't take a video be I will when it's back on
    do it mate. Car looks lovely, love them in white!

    You should see how much your mate is prepared to make them for forum members, i searched for a while for a 2.5inch rear exit system, ktec did one but i dont like giving money to ktec and it was pricey so i stuck with the scorpion

  11. #11
    Non-member adscan's Avatar
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    Re: what exhaust?

    would your mate be able to make up a system that looks a little more oe? i am after a quality quiet exhaust.

  12. #12
    Non-member Brigsy's Avatar
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    Re: what exhaust?

    Side exit with no silencer would be badass on a dini

  13. #13
    Non-member rew's Avatar
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    Re: what exhaust?

    It will still have a silencer even if it's a smalle, as Iv heard it can damage the Turbo without any back pressure?

  14. #14
    Non-member R5TURBORON's Avatar
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    Re: what exhaust?

    Quote Originally Posted by adscan View Post
    would your mate be able to make up a system that looks a little more oe? i am after a quality quiet exhaust.
    He can make them to what ever spec u want and looks. Has different shapes and size tips. He makes exhausts from scratch but would need the car and do it why your there did mine in a morning

  15. #15
    Non-member R5TURBORON's Avatar
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    Re: what exhaust?

    Quote Originally Posted by gttjames View Post
    do it mate. Car looks lovely, love them in white!

    You should see how much your mate is prepared to make them for forum members, i searched for a while for a 2.5inch rear exit system, ktec did one but i dont like giving money to ktec and it was pricey so i stuck with the scorpion
    I could ask but he would have to copy mine I know he likes to make them for each car so it fits perfect

  16. #16
    Non-member Brigsy's Avatar
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    Re: what exhaust?

    Quote Originally Posted by rew View Post
    It will still have a silencer even if it's a smalle, as Iv heard it can damage the Turbo without any back pressure?
    No need for any silencer, its a myth mate. You can run with no exhaust with no problems

  17. #17
    East Midlands Regional Rep Os8472's Avatar
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    Re: what exhaust?

    Quote Originally Posted by Brigsy View Post
    No need for any silencer, its a myth mate. You can run with no exhaust with no problems


    An old engine guru once told me the best exhaust to make power on a turbo engine is about 2 foot long, straight pipe, 3 inch dia (varies depending on turbo size) coming off the rear at 20 degrees nice and loud

  18. #18
    Non-member rew's Avatar
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    Re: what exhaust?

    What about the law:/

  19. #19
    Non-member Brigsy's Avatar
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    Re: what exhaust?

    Man up and do it. Even one silencer is borderline legal, its old the police wont care providing your not sitting in mcds revving it for hours

  20. #20
    Non-member tubbyG's Avatar
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    Re: what exhaust?

    Quote Originally Posted by Brigsy View Post
    Man up and do it. Even one silencer is borderline legal, its old the police wont care providing your not sitting in mcds revving it for hours

  21. #21
    Non-member rew's Avatar
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    Re: what exhaust?

    I'm a bit worried come mot time though if it's too loud I may put a box in but empty so it looks like Iv bothered lol

  22. #22
    Non-member Brigsy's Avatar
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    Re: what exhaust?

    Run it up with no exhaust on to find out how loud it will be keep the standard exhaust for mot If needs be

  23. #23
    Non-member rew's Avatar
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    Re: what exhaust?

    I'm thinking of as full system want to keep it looking originalish so gonna get a stainless downpipe and midsection and a baffle free back box and find an mot centre that appreciate an old car

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