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Helix downpipe rattling!!!

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Old Jun 16, 2005 | 12:54 AM
  #16  
tlclee's Avatar
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From: Fremont, CA
You can try loosen the dp and tighten the screws to the exhaust first and then hold the dp in place while adjusting the two screws to the o2 housing. Also, one kartboy hanger will help too. Hope that make sense!
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Old Aug 12, 2007 | 08:45 PM
  #17  
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From: NJ, NYC, MI
I have a coated perrin dp and I too am experiencing this rattle. I thought it was the pipe smacking on the ACD's case. So to solve the issue just have an exhaust shop bend the section of pipe?
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Old Sep 26, 2007 | 07:53 AM
  #18  
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From: SoFla
Kartboy hangers discontinued?!!!!

I have a DC Sport DP with a cat delete section all one piece.
when i first had it installed it the top portion used to run with the top tie bar, so the shop who installed it bent the hangers of the catback (im using the stock) and it gave me a little more clearance.

then I raised my car a little bit and now I dont get any rub. sometimes though when the car is cold (engine) and I accelerate the DP will move some I guess and I get the same rattle. For this reason I want to get some Kartboy hangers, but I noticed they are discontinued..? how come? where can i get them? or is there someone else who makes them or make something similar?
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Old Sep 26, 2007 | 07:58 AM
  #19  
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From: NJ, NYC, MI
I found out that my dp the helix v2. was hitting the ACD case and the lower crossbar.
I have no idea how to fix it but it only happen when i start moving at 500 to 700rpm. Other than that I think it's fine.
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Old Sep 26, 2007 | 09:12 AM
  #20  
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From: SoFla
Originally Posted by timmiii
I found out that my dp the helix v2. was hitting the ACD case and the lower crossbar.
I have no idea how to fix it but it only happen when i start moving at 500 to 700rpm. Other than that I think it's fine.

mine used to happen at 4-5k
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Old Sep 26, 2007 | 09:17 AM
  #21  
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From: salt lake city
Originally Posted by AustinEVO
Yep, exactly what I did and it works great. A simple $30 fix and it should be wrapped anyway, IMHO.
+1
My Helix DP is heat wrapped and makes no noise (did before I wrapped it)... also keep some heat away from x-fer case
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