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Old 10-31-2004, 01:32 PM
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ok ive installed flowtech LT headers yesterday and it went well except for one problem. the connection between the y-pipe and the header on the driver side bangs on the floor under acceleration. what should i do to fix this?
Old 10-31-2004, 01:47 PM
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I had the same problem with my y pipe. I put a pry bar inbetween the floor and the pipe and pried on it then i took a piece of 1/4in round steel and bent it around a piece of 3in pipe so it looked like a "?" and welded it so theat the strait part hit the floor. Withe a piece or rubber hose over it it acts like a spring and keeps the pipe away from the floor. Sorry if its hard to understand Thats the best I can think to describe it You can also try to glue a piece of rubber to the floor to dapen the sound. I've read or a few people puting a poly motor mount it the drivers side so the motor doesent tq over as much. hope this helps.
Old 10-31-2004, 01:54 PM
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I just pried the floor board up a bit just enough for the y-pipe to clear. Problem solved.
Old 10-31-2004, 03:06 PM
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Originally Posted by shortdog
I just pried the floor board up a bit just enough for the y-pipe to clear. Problem solved.
thats what i did it worked
Old 10-31-2004, 04:07 PM
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prothane motor mounts are known to work too, easier install will long tubes.
Old 10-31-2004, 06:38 PM
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Hey man how do the Flowtech's feel. Did they make a huge difference.
Old 10-31-2004, 06:45 PM
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Did not have that problem with my Kooks. But I would use a pry bar and lower the Y-pipe down.
Old 10-31-2004, 11:39 PM
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Originally Posted by shaulinmathvader
Hey man how do the Flowtech's feel. Did they make a huge difference.
I didn't get the full effect from them until I got my car tuned.
Old 10-31-2004, 11:40 PM
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yeah LT headers do make a noticable difference, and the flowtech coated LTs are the best bang for your buck, but i was also told that when they hit against the floor i lose HP, so when i fix the banging problem, it may even be better.

Last edited by TA_LS1; 11-01-2004 at 04:19 AM.
Old 11-01-2004, 11:55 AM
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so if in order to stop the banging on the floor, i should pry the floor boards up? how should i do this? with a hammer? or is there any other way?

also there is a different smell coming from my exhaust. im assuming that it is b/c im running no cats b/c im pretty sure i installed my O2 sensors correctly.

Last edited by TA_LS1; 11-01-2004 at 12:55 PM.
Old 11-01-2004, 06:25 PM
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https://ls1tech.com/forums/generation-iii-external-engine/229211-mufflex-ls1-hr-stainless-steel-hanger.html
Old 11-01-2004, 06:25 PM
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Originally Posted by freakynipples69
as for the smell, yes its because of no cats. Its normal, if its the same smell im thinking off.




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