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REplacing corrigated intake hose

 
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Old 09 Feb 2010, 11:03 pm
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Default REplacing corrigated intake hose

AS a Newbie, I just made the airbox mods, dropped in the K&N and returned the "hot air intake kit" to them, based on the advice I got here. Now is there any inexpensive way to get rid of that corrugated piece of hose?
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Old 09 Feb 2010, 11:23 pm
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Default Re: REplacing corrigated intake hose

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Originally Posted by stu88 View Post
AS a Newbie, I just made the airbox mods, dropped in the K&N and returned the "hot air intake kit" to them, based on the advice I got here. Now is there any inexpensive way to get rid of that corrugated piece of hose?
Are you talking about the turbo to airbox hose?
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Old 10 Feb 2010, 01:12 pm
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Default Re: Replacing corrigated intake hose

Yes, where it goes into the turbo.I was pleasantly surprised by the improvement in throttle response just from the airbox mod, although the noise level was quite a bit higher.That corrugated /concertina bend must do a lot to create turbulence i would think
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Old 10 Feb 2010, 02:18 pm
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Default Re: Replacing corrigated intake hose

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Originally Posted by stu88 View Post
Yes, where it goes into the turbo.I was pleasantly surprised by the improvement in throttle response just from the airbox mod, although the noise level was quite a bit higher.That corrugated /concertina bend must do a lot to create turbulence i would think
That hose has a baffle in it that narrows flow down to 1 1/2." You can make your own hose. Some 3" hose, 3" pipe and an elbow that is 3" that goes down to 2 1/2" that attaches to the turbo. You'll also need a nipple on the pipe for the vacuum hose. Pretty easy to make.
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Old 10 Feb 2010, 03:43 pm
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Default Re: REplacing corrigated intake hose

Will radiator elbow take the heat OK? Why does the stock hose have the baffle and restriction-just curious.
Thanks
Stu
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Old 10 Feb 2010, 05:35 pm
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Default Re: REplacing corrigated intake hose

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Originally Posted by stu88 View Post
Will radiator elbow take the heat OK? Why does the stock hose have the baffle and restriction-just curious.
Thanks
Stu
Baffle is to quiet car down. They figured older folks wouldn't want the noise. That's why there are three baffles in the airbox system. For the elbow you want something like this. Starts at 3" and transitions down to 2 1/2". Silicone Hose - Reducing 90 Degree Bends
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Old 10 Feb 2010, 08:32 pm
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Default Re: REplacing corrigated intake hose

there is a amx ttab pipe on ptcrew for $85 to your door
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I've done this once or twice before...
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Old 10 Feb 2010, 10:03 pm
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Default Re: REplacing corrigated intake hose

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Originally Posted by ChefTank View Post
there is a amx ttab pipe on ptcrew for $85 to your door
If you look around and compare prices for the transition elbow coupler you can make this cheaper yourself. I did.
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Old 10 Feb 2010, 10:54 pm
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Default Re: REplacing corrigated intake hose

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Originally Posted by ChefTank View Post
there is a amx ttab pipe on ptcrew for $85 to your door
Which forum/thread did you see that, because I couldn't find it in the amx threads?
THanks
Stu
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Old 11 Feb 2010, 12:02 pm
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Default Re: Replacing corrigated intake hose

[QUOTE=Mean Green;291424]That hose has a baffle in it that narrows flow down to 1 1/2."
Showing my ignorance here, but can you explain why narrowing hose down to 1.5" reduces noise? Based on motorcycle tuning I have done, I'm thinking maybe this increases low end torque, like fitting a smaller bore carb to a bike increases acceln at the low-mid end at the expense of HP and max speed? Seems I have a lot to learn. I have been doing searches here and on PT crew to learn as much as possible since this is my first turbo motor. Many thanks to everyone out there for answeing all these dumb questions
Stu
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