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View Full Version : would you get these hump couplers?



audiFUEGO
09-26-2007, 11:01 PM
http://cgi.ebay.com/ebaymotors/Silicone-hump-hose-2-2-5-2-75-3-3-5-4-Coupler_W0QQitemZ270167111948QQihZ017QQcategoryZ33 742QQcmdZViewItem

victorvu
09-26-2007, 11:10 PM
would that change the airflow?

aytheory
09-26-2007, 11:14 PM
that is the right price - and no it won't change airflow - hump hoses are usually for intercooler application

audiFUEGO
09-26-2007, 11:19 PM
what size would i need if i have 2.5 inlet/outlet and 2.25 piping?

aytheory
09-26-2007, 11:25 PM
that depends on the thickness of the IC - 2.5 and the numbers you gave are probably the inner diameter - you need to get the outer one to be exact

i made that mistake when i order t-claps - =(

audiFUEGO
09-26-2007, 11:33 PM
that ad only seels them in 2" and 2.5"... so i think the safest is 2.5"...

either way i can squeeze um on there if they dont fit right?

GR-RALLYE
09-26-2007, 11:36 PM
that ad only seels them in 2" and 2.5"... so i think the safest is 2.5"...

either way i can squeeze um on there if they dont fit right?

no you want it to be tight

aytheory
09-26-2007, 11:44 PM
you want it to be the right size - don't be lazy and go out and measure

SoFresh
09-26-2007, 11:46 PM
no, buy the exact size, trust me, 0.5 inches is a huge difference to clamp down on. dont buy them unless they dont fit. check out: hightempsilicone.com, or google search some other compainies.

audiFUEGO
09-27-2007, 06:53 AM
hahaha ok i wont be lazy...

I went thru like 7 pages of google search for hump couplers... theyre all 18-20$ per coupler..

I need a few of them... screw that price.

Starting
09-27-2007, 06:55 AM
you will need reducers, not hump hoses to go from 2.5" to 2.25".

audiFUEGO
09-27-2007, 06:57 AM
i have the same ebay kit that sofresh and audisport have and they both use hump couplers all the way around...

I dunno im gonna have to double check.

audiFUEGO
09-27-2007, 07:04 AM
what about if i get the 2.375 in this ad?

http://stores.ebay.com/ZENARacing_Hump-T-piece_W0QQcolZ4QQdirZ1QQfsubZ2852819QQftidZ2QQtZkm

mike-2ptzero
09-27-2007, 07:04 AM
that depends on the thickness of the IC - 2.5 and the numbers you gave are probably the inner diameter - you need to get the outer one to be exact

i made that mistake when i order t-claps - =(

The size of the IC pipe should really be the OD, if you have 2.5" pipe you will want a 2.5" hose. Remember that IC pipe should also have a bead on the end so that is going to make the pipe even larger but the hose will still stretch a bit to get over that and then be tight on the other side.



With T-bolt clamps you never want to get ones too big since they will bottom out and not be tight enough. Go too small and they wont clamp all the way down leaving a section without any pressure on it.



Samco sport makes some nice 2" to 2.5" reducer hoses, they are slightly longer(5") giving a much better transition. Pic is from Summit racing, price is $24.99.
http://static.summitracing.com/global/images/prod/large/sam-sr-28-22blue_w.jpg


PWR also has a 2" to 2.5" reducer hose for $18.21
http://www.pwr-performance.com/images/trans_coupler.jpg

SoFresh
09-27-2007, 07:50 AM
i have the same ebay kit that sofresh and audisport have and they both use hump couplers all the way around...

I dunno im gonna have to double check.


I did not use an ebay kit, just an ebay FMIC, I bought the piping seperate, and all the couplers and silicone pieces I used I paid pretty good money for, I didnt go cheap with the couplers or the tbolts.

I bought the couplers from:

http://www.hightempsilicone.com/


so one more time to help with all the confusion... I DID NOT USE A FULL FMIC KIT OFF OF EBAY... I CREATED MY OWN!!!

When I bought all my couplers they were I think $16 each, and the 45 degree bend silicone piece I used was $35