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Thread: Rattling with New Civic Apexi N1 Full Catback Install

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  1. 04-13-2006, 10:31 AM #1
    CiVeK9
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    Default Rattling with New Civic Apexi N1 Full Catback Install

    Car: 1999 Honda Civic EX Coupe

    Exhaust: Apexi N 1 FUll Catback Exhaust

    Problem: The exhaust rattles against the bottom of the car where the muffler is conneted to the piping

    Questions:

    Is it mounted incorrectly? Because its not at an angled as I was expecting

    The hole on the tip where the screw holds the silencer is to the right..which is thought was directly up and down

    How many rubber hangers are on the EX/SI Model?

    I remember 5 Rubber Hangers on the EX

    2 on the muffler
    1 on the piping that connets to the muffler
    1 Near the cat to the piping

    There is an extra hook on the exhaust that seems like i am missing another hanger but there is no where to attach it to...below are pictures to help you understand


    appreciate any help






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  2. 04-13-2006, 11:20 AM #2
    fight club
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    first id reccommend taking the heat shroud off cuz that could be vibrating. also, from the pictures, it looks like ur muffler section is upside down. my n1 hung down not up, by that i mean the hangers should go from the rubber pieces down to the muffler, not up to the muffler. try to rotate it around. also, ur last missing rubber piece should be on the right side of the muffler. it seems u are missing that.
    When I was a child, I used to talk as a child, think as a child, reason as a child; when I became a man, I put aside childish things.
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  3. 04-13-2006, 11:42 AM #3
    3kgtdrvr
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    i say shake it and see what rattles or what it hits
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  4. 04-13-2006, 11:51 AM #4
    fight club
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    lol i say im right and peter is wrong.
    When I was a child, I used to talk as a child, think as a child, reason as a child; when I became a man, I put aside childish things.
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  5. 04-13-2006, 03:16 PM #5
    CiVeK9
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    i know what rattles..ad its the part where the muffler is connected t the piping....its shown in the picture
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  6. 04-13-2006, 08:22 PM #6
    fight club
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    get your grommet for ur hanger and it might help.
    When I was a child, I used to talk as a child, think as a child, reason as a child; when I became a man, I put aside childish things.
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  7. 04-13-2006, 09:10 PM #7
    CiVeK9
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    hmm not quite sure what that means
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  8. 04-13-2006, 09:23 PM #8
    3kgtdrvr
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    Quote Originally Posted by CiVeK9
    hmm not quite sure what that means
    don't worry, zac doesn't either
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  9. 04-13-2006, 10:14 PM #9
    fight club
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    hahah in the pic of the muffler, your missing the rubber hanging thing, i call that a grommett. if i saw it in real life i could prolly help more as i had this exact exaust and had no fitment issues.
    When I was a child, I used to talk as a child, think as a child, reason as a child; when I became a man, I put aside childish things.
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  10. 04-14-2006, 06:15 AM #10
    CiVeK9
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    nope..i am not missing a hanger..confirmed in on honda-tech...same issue with greddy evo exhaust...all SOHC owners have 1 less hanger..i just have to adjust the exhaust..and maybe try a different combination so that the back doesn't rub..
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  11. 04-14-2006, 06:20 AM #11
    fight club
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    hmmmm, interesting. try flippin ur muffler section. just an idea.
    When I was a child, I used to talk as a child, think as a child, reason as a child; when I became a man, I put aside childish things.
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  12. 04-14-2006, 09:45 AM #12
    joesblk_teg
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    my greddy evo 2 rattled for a long time i had to trim down my hangers so i would check your hangers
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  13. 04-14-2006, 09:48 AM #13
    IntegraXTR
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    dude this is what you do, take your ride down to "EXHAUST WIZARD" off hwy.29 lawrenceville highway, its near the post office near beaver ruin, he will fix your problem for cheap. Dude did my apexi N1 catback on my teg, installed a new catalytic converter, and extended it all for $65. And I sat there and watched him do it, he did a great job and made sure everything was correct.
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  14. 04-14-2006, 11:20 AM #14
    CiVeK9
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    appreciate the post..i'm familiar with the shop...i installed it at Lexus witha buddy that works there...just tryin to figure hte problem out before i go up there next weekend..can't bet free especially since i replaced the cat and spent some time on my back with a buddy to take off the rustly stock exhaust and all the rusted and rounded off bolts and installed a used cat and a new exhaust system in 30mins...not hard to do but just easier on a lift

    and after some research on Honda Tech and talking to Scotty at mainstream...the civics only have 1 hanging on the mid pipe...

    all i have to do is loosen or tighten the bolts to make any adjustments and also swap the pipe ends..because it can be bolted on backwards and thats probably hte main problem

    thanks for all the input guys..i will post pics and the solotion to this once its done
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  15. 04-14-2006, 11:28 AM #15
    IntegraXTR
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    nah, I know its easy to install, hell I can do it less than 30min, My apexi did not fit exactly like it was suppose to, where the "S" pipe connects to the axle back then to the mid pipe, thats why I took it to the shop plus it came about 2 1/2 to 3inches short from the cat, so it needed to be extended. Why don't you just get a new hanger welded on? or replace the rubber garmets?
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  16. 04-14-2006, 01:15 PM #16
    CiVeK9
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    cause thats not the issue..its just that one of the pipings is on backwards..i have two buddies with the same exhaust but both on SI...and it fit perfect...its jsut a matter of aligning it correctly...easy..fix

    appreciate your input though
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