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View Full Version : need help with the ATP cat delete.



pipe7284
09-25-2006, 10:06 AM
Well i just recieved the 3" ATP cat delete. i just need help/instructions on how to use/where/how the hardware.
http://www.audizine.com/gallery/data/2/11300atp_cat_delete.JPG

How does the bolts go? what side goes to what?
http://www.audizine.com/gallery/data/2/11300atp_cat_delte2.JPG

Neo1130
09-25-2006, 10:58 AM
LOL SONUVA BITCH!! I used all the old hardware... Whoops... No wonder I couldn't get a socket around that one nut...

Neo1130
09-25-2006, 11:00 AM
I think the bigger nuts go on the turbo side and the studs and smaller nuts go on the downpipe side... Pretty sure you take the nuts and thread them onto the shorter part of the threaded studs and just use those like bolts...

Ray Khan
09-25-2006, 11:18 AM
the studs go into the turbo and the smaller nuts on the studs. I would think the smaller length of threads into the turbo, the longer length of threads to the test pipe. Then the nuts get used with your current bolts on the cat to downpipe connection.

bassed
09-25-2006, 11:23 AM
Originally posted by Ray Khan
the studs go into the turbo and the smaller nuts on the studs. I would think the smaller length of threads into the turbo, the longer length of threads to the test pipe. Then the nuts get used with your current bolts on the cat to downpipe connection.


Yup that's the way it goes.

pipe7284
09-25-2006, 12:10 PM
this will go straight from the turbo to the flange at the flex pipe, right?

Ray Khan
09-25-2006, 12:23 PM
it SHOULD replace your catalytic converter if it fits properly.

pac1085
09-25-2006, 12:27 PM
Originally posted by Ray Khan
the studs go into the turbo and the smaller nuts on the studs. I would think the smaller length of threads into the turbo, the longer length of threads to the test pipe. Then the nuts get used with your current bolts on the cat to downpipe connection.

nope.

the studs go into the lower part of the cat delete pipe, where the regular downpipe connects. you leave the existing turbo's studs in place and use the big nuts for that.

BarryT82
09-25-2006, 12:32 PM
The triangle shaped part goes on the turbo. The other end goes to the downpipe. The studs go into the downpipe end. The nuts go onto the studs on the turbo and downpipe.

turboquattro068
09-25-2006, 12:48 PM
Originally posted by pac1085
nope.

the studs go into the lower part of the cat delete pipe, where the regular downpipe connects. you leave the existing turbo's studs in place and use the big nuts for that.

listen to this guy, i just did this myself, it wasn't to hard, if your very unsure man, bring it to a shop

turboquattro068
09-25-2006, 12:50 PM
also i highly suggest doing the anti fouler mod to the rear o2 sensor so that you won't be throwing a CEL....PM me if you want more info man.....I'll walk you through it or search it you might find instructions

bassed
09-25-2006, 12:51 PM
Originally posted by pac1085
nope.

the studs go into the lower part of the cat delete pipe, where the regular downpipe connects. you leave the existing turbo's studs in place and use the big nuts for that.

Really? It's been about 5 months since I did mine and I thought it was the other way around, but that makes more sense.

burner799
09-25-2006, 12:52 PM
ill get a nut into your socket

pipe7284
09-25-2006, 07:31 PM
thanks guys i will work on it tomorrow!!!

b00st
09-25-2006, 09:48 PM
anyone got an real data on any gains with a testpipe? i think i'ma pull the trigger on one.

Saturnine
09-26-2006, 12:04 AM
That doesnt make any sense.. So you use the studs to bolt the TP to the DP? Those studs should be for the turbo, but they do look kinda small for the 17mm nuts..

ATP is weird.


Originally posted by pac1085
nope.

the studs go into the lower part of the cat delete pipe, where the regular downpipe connects. you leave the existing turbo's studs in place and use the big nuts for that.

Neo1130
09-26-2006, 03:18 AM
Originally posted by b00st
anyone got an real data on any gains with a testpipe? i think i'ma pull the trigger on one.


Do it! You'll be happy!


And Saturnine... If you have ever done a test pipe install you would know how it works... The turbo already has studs in it number one and number two the test pipe is threaded on the downpipe side for those new studs to go in... I don't see why they didn't used bolts though...

pipe7284
09-26-2006, 09:21 AM
foock, i took out the cat and the flex pipe flange is all messed up, i need a new flange where can i get one, or if anybody can help me out with one that have laying arround their garage.

pac1085
09-26-2006, 10:36 AM
Originally posted by Saturnine
That doesnt make any sense.. So you use the studs to bolt the TP to the DP? Those studs should be for the turbo, but they do look kinda small for the 17mm nuts..

ATP is weird.

Yea, it makes it easier to install/uninstall, so you don't have to hold a wrench to the top nut...

pipe7284
09-26-2006, 11:27 AM
the stock flex pipe has the flange that will bolt right on the the cat dele, right? or do i have to do the full 3" exhoust all the way back?

pipe7284
09-26-2006, 12:56 PM
Anybody?

azndrunk74
09-26-2006, 01:55 PM
It bolts right up, ATP will tell you that.

Saturnine
09-26-2006, 01:55 PM
Err.. So the lower flange (to the DP) is threaded for the studs then?

Just a guess since it looks like the "kit" only comes with 3 bolts for the studs rather than 6 (one on each end)

[:D]


Originally posted by pac1085
Yea, it makes it easier to install/uninstall, so you don't have to hold a wrench to the top nut...

turboquattro068
09-26-2006, 02:00 PM
yes i just installed mine........the test pipe slides onto your exsisting studs on your turbo, you simply tighten nuts onto that, but i wouldnt tighten them till you get everything lined up......you should put the studs into your downpipe with some locktite to help you out in the future when you are or if you ever have to uninstalll it.......the studs go onto the lower portion of your downpipe, its common sense, if you look at it its the only way it could possibly work.....then you just bolt it up, even to your stock exhaust, i have borla but still works fine.........tighten her up, I recomend using the antifouler mod to not throw a cel but after that you will love it, makes a nice difference!

pipe7284
09-26-2006, 02:11 PM
^^^^^very good explination, thanks.
now the problem is that my flex pipe is fooked up, i need a new one, i am trying to get one at a junker but they only sell the full exhaust and is for $200. so might as well take it to a muffler shop and have them put on a 3" all the way back. what do you think.

pac1085
09-26-2006, 02:40 PM
Originally posted by Saturnine
Err.. So the lower flange (to the DP) is threaded for the studs then?

Just a guess since it looks like the "kit" only comes with 3 bolts for the studs rather than 6 (one on each end)

[:D]

You got it...

pipe7284
09-26-2006, 03:41 PM
does anybody have a flex pipe laying around in their garage? are you willing to sell my the flange itslef that connects to the cat delete? PLEASE!!!!!!

RAyala2.7T
09-26-2006, 04:09 PM
i thought you were getting rid of the a4 for an s4.[confused]

just have a shop make you an exhaust if your stock exhaust is screwed. just make sure they do a better job than the last place you took your car to![;)]

bitterchild
09-26-2006, 04:12 PM
I have a flange, hit me up

I was giving away whole stock exhausts before everything went to the scrapper

pipe7284
09-26-2006, 09:27 PM
RAyala, i thought so too, i decided to sticl to what i have right know because i will b moving to Tampa soon, so thats gonna be bucks coming out of my pocket for the moving. i dont want to get into pymnts right now, the b5 a4 is already paid for. and if i am going to keep it for a little longer i definately wannt it faster than stock.

bitter--pm sent.

Poopie
09-26-2006, 09:43 PM
i have a stock downpipe too. just pay shipping.

pipe7284
09-26-2006, 10:14 PM
^^^ how much? better if you find out how much for next day or at most two day delivery, please.

Poopie
09-26-2006, 10:20 PM
it should be about 170 next day and 120 for 2 day fed-ex. Kinda steep man. It might be cheaper to go to a muffler shop

pipe7284
09-26-2006, 10:29 PM
^^^how about just the flange then, how much?

Poopie
09-26-2006, 10:41 PM
no idea. I think any good muffler shop will have a flange for you

1 ate T
09-27-2006, 05:06 AM
can someone send me some info for anti fouler? searched and couldnt find anything

pipe7284
09-27-2006, 09:38 AM
^^^pm turboquattro068, he knows about it.