Topspeed header + K&N drop in filter dyno.

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Old 01-07-2009 | 09:40 AM
  #41  
super20g's Avatar
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Originally Posted by Audioserf
...get a Vibrant flexpipe welded in place of the Topspeed one.
What diameter and length flexpipe is needed for a direct replacement of the Topspeed one?

I wonder if they just have a bunch of these already made up or if they just dont care to fix the leaking?

I am thinking I will just get a Topspeed header and go ahead and chop/replace the flexpipe prior to installing.
Old 01-07-2009 | 11:53 AM
  #42  
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^^ I believe you need a flexpipe with a 2-inch inside diameter.
Old 01-07-2009 | 11:57 AM
  #43  
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Does anyone know a good place to buy a replacement flex pipe?

I have the same idea as super20g.
Old 01-07-2009 | 01:48 PM
  #44  
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I will go to an exhaust shop tomorrow to have it replaced. I talked to the owner of the shop yesterday and he didnt have a 6x2 inches flex pipe in his shop, so he ordered one and it is coming in today. He said the whole thing will cost $75. That and $175 for the header, and the total expense is $250. Still WAY cheaper than $400 DC sport header or $600 Comptech header. I dont have any other complaints about the product besides hissing flex pipe so far. Car pulls much harder past 4500 RPMS and slightly harder bellow. Sound is a bit deeper and I LOVE that. Many say that this is the best upgrade for the car along with the reflash.

PS: I am not trying to advertise anything here, I am just very satisfied with the product.
Old 01-07-2009 | 01:51 PM
  #45  
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Originally Posted by Zhieson
Does anyone know a good place to buy a replacement flex pipe?

I have the same idea as super20g.

Ask exhaust shops around your neighborhood, they must have access to exhaust/flex pipes.
Old 01-07-2009 | 09:13 PM
  #46  
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how much louder is your car?
Old 01-07-2009 | 09:23 PM
  #47  
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Depends. while idling, it sounds like it has an aftermarket muffler (and idling) but once it hits 1000 rpms, it sounds like stock. Past 4k rpms, sound is not louder but a bit deeper, which I love. I have stock exhaust and cat, remember
Old 01-15-2009 | 12:51 PM
  #48  
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Update: I have replaced the flex pipe and hissing is all gone. also, there is a noticeable TQ gain in mid range RPMS
Old 01-16-2009 | 12:34 PM
  #49  
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wow very impressive number, btw is your an auto or manual tranny? I was thinking about that setup but with a SRI and mine is a 06 auto
Old 01-16-2009 | 01:21 PM
  #50  
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Originally Posted by DVS-TSXER
wow very impressive number, btw is your an auto or manual tranny? I was thinking about that setup but with a SRI and mine is a 06 auto

Mine is auto. Sorry pal, but I had SRI on my old car and it made nothing but noise so I had to upgrade to CAI. As for TSX, its stock filter isnt that restrictive and there is barely any need to upgrade it unless u r going to do more upgrades (Reflash is #1 reason to upgrade it) I went with K&N drop in filter.
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