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$teady$upreme
09-14-2008, 02:17 PM
I am looking for a set of DIY intercooler piping kit for my 25"x6.5"x2.5" FMIC. Overall size with end tanks is 31.5"x6.5"x2.5"

Well i don't mind cutting, just wondering where did you get yours? eBay?
http://cgi.ebay.com/ebaymotors/2-5-FMIC-INTERCOOLER-PIPING-KIT-A4-JETTA-Gti-VR6-AUDI_W0QQcmdZViewItemQQcategoryZ33742QQihZ002QQite mZ120303192892QQrdZ1QQsspagenameZWDVW
http://cgi.ebay.com/ebaymotors/CXRacing-2-5-Elbow-Coupler-Piping-Kit-A4-TT-Rabbit_W0QQitemZ190251026748QQcmdZViewItem?hash=it em190251026748&_trkparms=39%3A1|66%3A2|65%3A1|240%3A1318&_trksid=p3911.c0.m14

What's your suggestion?

GetBoosted84
09-14-2008, 02:30 PM
A lot of people love the CX racing piping. I have seen their piping it it looks really nice.

$teady$upreme
09-14-2008, 02:34 PM
Aiite, thx very much. I will order from them~

njm23
09-14-2008, 02:36 PM
2.5" is a little big if your only running a ko3 or ko4...

Naudi_Mat
09-14-2008, 02:48 PM
2.25" is the size piping you want to run if you're just gonna be KO3 or Ko4

$teady$upreme
09-14-2008, 05:01 PM
i am running gt28, what do you guys think is best? 2.25" or 2.5"?

B518T
09-14-2008, 05:06 PM
2.5" for a gt28 for sure

Naudi_Mat
09-14-2008, 05:07 PM
2.5" should work for that then

biketsai
09-14-2008, 05:19 PM
Im running a T28 with 2.5". I think that the turbo would spool quicker with 2.25. I also got my piping from CXracing

$teady$upreme
09-17-2008, 08:36 PM
Yah, i don't mind getting the turbo to spool quicker too[:D]


Im running a T28 with 2.5". I think that the turbo would spool quicker with 2.25. I also got my piping from CXracing

jankaroni
03-31-2009, 07:23 PM
i am doing the same thing....right now I am just running the K03s but am planning on upgrading to a 2871r elim when this turbo gives up. What size pipe would you suggest in that case?

FYI it might be a little while before the turbo gives up on me.

biketsai
03-31-2009, 07:39 PM
2.25"

jankaroni
03-31-2009, 07:46 PM
so should i get a core that has 2.5 inch ins and out and just get 2.25 inch tubing? I dont want to have to replace the core and everything when i do upgrade if i dont have to.

prodrive
04-01-2009, 12:58 AM
Cold side 2.25 ,hot side 2.50 is the best combo but needs to be done custom :)

jankaroni
04-01-2009, 03:59 AM
Cold side 2.25 ,hot side 2.50 is the best combo but needs to be done custom :)

Awesome thanks for the advice, I noticed a lot of the ebay kits say you need to weld in a flange for some sensor? What exactly do I need to weld in and for what?

pipe7284
04-01-2009, 04:49 AM
that is for the MAP sensor which only comes in 2000 models and up. if you are AEB engine code, 97-99, you dont have to worry about that.

festerfm
04-01-2009, 04:54 AM
i bought a $78 2.5" ebay kit. had more than enough pipe and couplers. just needed to get a map sensor flange (ebay-$20 shipped) and a 2-2.5" reducer to go from the pipe to turbo outlet. works great so far. just make sure you get t-bolt clamps if the it comes w/ the shitty ass worm gear ones.. they will hold all of about 5psi... if u'r lucky...

prodrive
04-01-2009, 05:37 AM
Be carefull when buying from ebay becouse there are two types of piping ,some sellers offer 1.5 mm thickness piping which is cheap and the others 2mm. It's better to buy 2mm piping if you gonna make welding job.

jankaroni
04-01-2009, 09:38 AM
I am looking at this kit here.... http://cgi.ebay.com/ebaymotors/FRONT-MOUNT-INTERCOOLER-KIT-AUDI-A4-B5-98-01-1-8T-TURBO_W0QQitemZ350183979986QQihZ022QQcategoryZ3374 2QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

I dont see any listing of what size the piping is, but it comes with the map sensor flange it just needs to be welded in which I can take care of.

How much of a difference would it make if the whole thing were done in 2.5 rather than 2.25? Would it just increase the turbo lag?

njm23
04-01-2009, 10:06 AM
Do whatever size you want but 2.5" is completely unnecessary and will just hurt the setup, not literally.. Just as far as lag/psi goes. 2.5" piping is what should be used on a larger turbo IE:3071 ect..

A4Rob
04-01-2009, 10:09 AM
I am looking at this kit here.... http://cgi.ebay.com/ebaymotors/FRONT-MOUNT-INTERCOOLER-KIT-AUDI-A4-B5-98-01-1-8T-TURBO_W0QQitemZ350183979986QQihZ022QQcategoryZ3374 2QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

I dont see any listing of what size the piping is, but it comes with the map sensor flange it just needs to be welded in which I can take care of.

How much of a difference would it make if the whole thing were done in 2.5 rather than 2.25? Would it just increase the turbo lag?

Yes you will have turbo lag because it is more volume that needs to be compressed.

festerfm
04-02-2009, 06:52 AM
i use 2.5" w/ my k03... only noticeable dif is the increase in power from the fmic. no noticeable in lag or spool time.. might be worth a tenth at the strip, but nothing to worry about

jankaroni
04-02-2009, 09:55 AM
Yeah i am just going to go with the 2.25 as it appears from the responses that there is no need for 2.5 and if anything it would hurt the performance some. I can get everything, piping and the intercooler on ebay from Just-Intercoolers for like 200 bucks.

Ayefore
04-03-2009, 06:02 AM
I was actually in the market for a FMIC and found this post in ebay.

http://cgi.ebay.com/ebaymotors/CXRacing-FMIC-Turbo-Intercooler-piping-kit-Audi-A4-A6_W0QQcmdZViewItemQQ_trksidZp1638Q2em118Q2el1247Q QcategoryZ33742QQihZ009QQitemZ190270243927QQrdZ1QQ sspagenameZWD1V

It's a Cxracing FMIC that I've been reading around the forum here. I made him an offer for $150 + $47 shipping. It pretty much equals out to $197. Which is what you are looking for. He gladly took my offer and bought I it that night.

To me it looks like it's good quality and if at all, close to the Godspeed core. I'll try to post up my setup once I get this thing and find time to install it.