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the cutout is in...

This is a discussion on the cutout is in... within the External Engine forums, part of the LSx Technical Help Section category; well today i put on my 3" cutout, but have a bit of a problem. My mechanic had to weld ...

  1. #1
    Senior Member rajiv1998's Avatar
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    the cutout is in...

    well today i put on my 3" cutout, but have a bit of a problem. My mechanic had to weld it in, but in order to fit it he had to slide the exhaust out a bit. Now the tips came out another 2-3" and the pipes seem to be a bit lose. They make a noise and rattle when u go over a bump, but they have never done this before. I think one of the pipes is a little off the clamp because the exhaust had to be moved back a bit. Any1 have this problem?

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    Member Since 1998 Mecinoid's Avatar
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    '98,'00 Bird '03, 14 Vets

    Sounds like you need to go back and have them look at it or rework it so it doesn't rattle.

    I welded mine all up. ;-)


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    Senior Member rajiv1998's Avatar
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    yeah, i got to the bottom of it. Found out that a bolt came lose and the whole exhaust rattled. Got new clamps and bolts

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    Member Since 1998 Mecinoid's Avatar
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    '98,'00 Bird '03, 14 Vets

    Yeah !!!!! Good show !!!!!

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    Member Mike's TA's Avatar
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    Well, your mechanic should have removed the three inches of extra piping because he was basically adding length to it by adding the cutout. Sounds to me like all he did was cut it and insert it. He should have removed a section of pipe to replace with the cutout.

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    Rice Hungry GottaHaveLS1's Avatar
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    Quote Originally Posted by Mike's TA View Post
    Well, your mechanic should have removed the three inches of extra piping because he was basically adding length to it by adding the cutout. Sounds to me like all he did was cut it and insert it. He should have removed a section of pipe to replace with the cutout.
    That's what it sounds like to me. Some mechanics can be totale dipshits

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    Member Since 1998 Mecinoid's Avatar
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    '98,'00 Bird '03, 14 Vets

    Yep, one more cut ... 45 secs with sawsall .... Doh !!!

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    Where did he put the cutout, the Intermediate pipe? I ask because I want to do this soon, and I want to make sure I order the right size. I noticed you said 3"....is that the size I should order, regardless of location?

    Thanks!

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    Member Since 1998 Mecinoid's Avatar
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    '98,'00 Bird '03, 14 Vets

    Quote Originally Posted by StuntmanMike View Post
    Where did he put the cutout, the Intermediate pipe? I ask because I want to do this soon, and I want to make sure I order the right size. I noticed you said 3"....is that the size I should order, regardless of location?

    Thanks!

    Gosh, I'm pretty sure it's three inch cut out. I'll measure it when I get a chance. I'm on my way out not. I think the reasoning was the 2-3/4" piping fit inside the 3" so there would not be any restriction. I'll look at that and post some pictures maybe tonight or tomorrow if I can squeeze it in.

    Best

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    Thanks man, I really appreciate it.

    Great looking Formy, btw!

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    Member Since 1998 Mecinoid's Avatar
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    '98,'00 Bird '03, 14 Vets

    OK, So closer inspection reveals that we used a 3" OD Header extention piece. You can buy almost anywhere. It was better to do it this way. Below are the pictures I took today. It's a pretty straight shot. Yes, it dips over the rear axle but there isn't any sharp corners until it make the rt angle turn into hooker cermanic aero chamber. The aero chamber is pretty free flowing ... but the cut out take all those extra bends right out of the equation.







    You have to tack weld the bolts in and make a block off plate. At least we did instead of searching and buying one. I think you can purchase block off plates for like $10. The Header extention piece is like 14.95 with the flange ring. ;-)

    If your not a welder. You'll have to get a muffler shop to do this for you.
    Last edited by Mecinoid; 10-27-2007 at 07:51 PM.

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    Life in the Fast lane sunsetorangess's Avatar
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    Quote Originally Posted by StuntmanMike View Post
    Where did he put the cutout, the Intermediate pipe? I ask because I want to do this soon, and I want to make sure I order the right size. I noticed you said 3"....is that the size I should order, regardless of location?

    Thanks!
    3" will work just fine, most people put it in the I pipe right befor the axle. Tucks up nicely.
    J
    2001 SS, Its not the car its the Driver that matters....

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    Member Since 1998 Mecinoid's Avatar
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    '98,'00 Bird '03, 14 Vets

    I was going to do the same thing and after discussing it with the pro. You add almost nothing in the way of back pressure to take that one last small bend and put your cut out where you can unbolt it easily. In the intermediate pipe, especially if you have a lowered car it's hard to uncap it. You can drive the car up on a curb to make it a bit easier if you need to.

    Does anyone have picture of theirs in the intermediate pipe? How do you unbolt it? Is it fairly easy to get to if you kick out under the passenger's seat?

    Ideally, a QTP's electric cut out in the intermediate pipe is the best solution. That way you
    do not even have to unbolt it ... just flip a switch.

  14. #14
    Life in the Fast lane sunsetorangess's Avatar
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    Quote Originally Posted by Mecinoid View Post
    I was going to do the same thing and after discussing it with the pro. You add almost nothing in the way of back pressure to take that one last small bend and put your cut out where you can unbolt it easily. In the intermediate pipe, especially if you have a lowered car it's hard to uncap it. You can drive the car up on a curb to make it a bit easier if you need to.

    Does anyone have picture of theirs in the intermediate pipe? How do you unbolt it? Is it fairly easy to get to if you kick out under the passenger's seat?

    Ideally, a QTP's electric cut out in the intermediate pipe is the best solution. That way you
    do not even have to unbolt it ... just flip a switch.

    Dont get me wrong i think where you have it is a great idea. I was just thinking why didnt i think of that. I dont have any pics but its easy to unbolt, i dont even have to get under the car, just reach under and i have 3 wing nuts holding my cap on, although ever since i put it in i have never closed it. Mp's love it. lol

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    Member Since 1998 Mecinoid's Avatar
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    '98,'00 Bird '03, 14 Vets

    Kewl, that's what I was wondering. Was just thinking if I was to uncap on the street it would be easier and then I wouldn't have to worry about giving someone a hot foot. Lol !!!

    It's all good !!!!

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