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View Full Version : Anyone interested in Stainless Steel Catless Downpipes for under $400?



marklar182
May 12th, 2014, 23:25
I am working with a local Texas Audi Tuner that already makes Downpipes and exhausts for 2.7T A6/Allroad/S4. I asked if he would be willing to do RS6 Downpipes, and he agreed to take the stock downpipes I have in storage and start the mock up.

He asked what the RS6 Market is like and if I could get 10 People on board for a set?

So far we have discussed catless stainless steel downpipes, I am thinking 2.75" diameter. Priced below $400.

Downpipes with main cats may also be an option, but currently we will start with Catless.

(Disclaimer: Catless=Race=Offroad Only)

Here are a couple examples of his current offerings for A6/Allroad/S4;

Manual 3"
15230

Tiptronic 3"
15231

I am asking for a one piece down pipe compared to what you see in the images above.

Let me know if you are interested, and if you have any suggestions, or what you would like to see. I will pass the info along and see if we can get something done!

SA RS6
May 12th, 2014, 23:46
i was looking into doing 3 inch Catless DP's but no one in my area is really willing to do it. But i may be interested, cant say for sure yet.

Corbett
May 12th, 2014, 23:53
Those pics are just china garbage ssac downpipe kits. I hope the rs6 work isn't turning into the same as the b5 s4 world.....aka cheap china products.

SA RS6
May 12th, 2014, 23:58
only problem i would have is getting someone to put them one, then getting the rest of the system built.

http://www.jegs.com/i/Flowmaster/389/15937/10002/-1?parentProductId=

would that system work?

Corbett
May 13th, 2014, 00:07
Has anyone fit 3" downpipes around the stock auto trans? I would think it would be tough.

SA RS6
May 13th, 2014, 00:40
i know someone on here has full 3 inch, that's kinda where i got the idea. They may have ment from DP's back... not sure, im sure someone else will chime in.

ttboost
May 13th, 2014, 00:45
Having 3" DP's is useless unless you have a full 3" system to take advantage. I made 2.75" catless DP's for my car, with stock SE exhaust, and they were fine. HUGE difference.

Bigglezworth
May 13th, 2014, 04:25
Having 3" DP's is useless unless you have a full 3" system to take advantage. I made 2.75" catless DP's for my car, with stock SE exhaust, and they were fine. HUGE difference.DITTO this. Further, you must remember this isn't a huge displacement engine. Large by today's standards yes, but not so big that in order to breath it requires massive dual 3" pipes. A crap load of spent gases can pass through a 2.5 and 2.75" dual exhaust. Remember all you need to do is take a look at the restriction points for the headers going in to the turbo .....

Corbett
May 13th, 2014, 05:07
i know someone on here has full 3 inch, that's kinda where i got the idea. They may have ment from DP's back... not sure, im sure someone else will chime in.

I have full 3" downpipes and exhaust but I have a 6 speed and its a tight fit. I doubt it can be done on an auto trans but I hope Im wrong

Turbowned
May 13th, 2014, 13:33
I'd be interested in catted downpipes for sure. Certainly willing to pay more than $400 for those, but preferably a lot less than $4,000 like the Milltek ones.

mdegracia
May 13th, 2014, 15:19
I'd be interested as well.

marklar182
May 13th, 2014, 16:00
Will keep everyone in the loop. Taking my extra set of stock DP's to him today and they will build a prototype then test fit on my car. Then make any changes and put them into production!

makaveli42
May 13th, 2014, 18:13
Has anyone fit 3" downpipes around the stock auto trans? I would think it would be tough.


I have full straight pipes 3" from the turbos to tips...everything fits fine

UrS6
May 13th, 2014, 22:00
I'd be in
I am working with a local Texas Audi Tuner that already makes Downpipes exhausts for 2.7T A6/Allroad/S4. I asked if he would be willing to do RS6 Downpipes, and he agreed to take the stock downpipes I have in storage and start the mock up.

He asked what the RS6 Market is like and if I could get 10 People on board for a set?

So far we have discussed catless stainless steel downpipes, I am thinking 2.75" diameter. Priced below $400.

Downpipes with main cats may also be an option, but currently we will start with Catless.

(Disclaimer: Catless=Race=Offroad Only)

Here are a couple examples of his current offerings for A6/Allroad/S4;

Manual 3"
15230

Tiptronic 3"
15231

I am asking for a one piece down pipe compared to what you see in the images above.

Let me know if you are interested, and if you have any suggestions, or what you would like to see. I will pass the info along and see if we can get something done!

SA RS6
May 14th, 2014, 01:10
I have full straight pipes 3" from the turbos to tips...everything fits fine

I knew someone did, just couldn't remember who.

Turbowned
May 14th, 2014, 01:25
Well there you have it, fellas! I reckon 3" might be overkill with the stock turbochargers, though. Maybe if you're running bigger turbos.

ttboost
May 14th, 2014, 01:37
This thread is getting funny. All this talk about big exhaust...Not even the stock exhaust is more restrictive than any turbine housing...stock or otherwise...Get rid of the cats...anything more than that is a waste of time and money in my opinion...

marklar182
May 14th, 2014, 13:54
This thread is getting funny. All this talk about big exhaust...Not even the stock exhaust is more restrictive than any turbine housing...stock or otherwise...Get rid of the cats...anything more than that is a waste of time and money in my opinion...

Agree 1000%.

Stock exhaust (SE especially) is very unrestrictive.

Turbine and Cats are the restriction. Turbine outlet is very restrictive due to the design, the turbulence of the waste gate and the odd shape of the outlet is a huge factor. Cant fix this, so take taking the cats out is the best we can do.

Bigglezworth
May 14th, 2014, 23:39
Agree 1000%.

Stock exhaust (SE especially) is very unrestrictive.

Turbine and Cats are the restriction. Turbine outlet is very restrictive due to the design, the turbulence of the waste gate and the odd shape of the outlet is a huge factor. Cant fix this, so take taking the cats out is the best we can do.Ding Ding Ding.... See post #8.

sempaipaul
October 30th, 2014, 04:07
Did these downpipes take off? I'd be interested in a set!

Thanks,
Paul

marklar182
October 30th, 2014, 15:57
Did these downpipes take off? I'd be interested in a set!

Thanks,
Paul

They are still in in process, I expect they should be done soon but will need a guinea pig to test fit them as I no longer have an RS6.

SA RS6
October 30th, 2014, 16:26
how much of a PITA are they to take off and put on?

kismetcapitan
November 3rd, 2014, 08:29
how much of a PITA are they to take off and put on?

from what I understand, quite a bit of a pain. otherwise, I'd have done it already...

rs6BC
November 3rd, 2014, 10:53
I can drive down from little rock. Just have to give me time to put in for leave.

kvicen
November 4th, 2014, 01:28
I live in Fort Worth and I will be your guinea pig.

s8prtotype
January 12th, 2015, 01:29
These should be made before i fire up the tig ;) $400 bucks saves me a lot of time :)

tedshred
January 12th, 2015, 03:15
Who has info on ecu mods for no cat exhaust so CE light is off?

lswing
January 12th, 2015, 03:18
Who has info on ecu mods for no cat exhaust so CE light is off?

Any tuner...Revo, APR, AMD, EPL (closer to you), Eurocharged, Viper. Just get a stage two generally that will code out secondary O2, all you have to worry about is emissions. Have you driven a tuned car yet? World of difference!

Turbowned
January 12th, 2015, 15:34
So uhhh, hate to be the one to ask but, to remove downpipes... is it Step 1: remove engine?

SteveKen
January 12th, 2015, 15:56
So uhhh, hate to be the one to ask but, to remove downpipes... is it Step 1: remove engine?

I'd say yes.

lswing
January 12th, 2015, 16:48
^^^Reason #17 why I've chosen to stick with stock catted DP's...

s8prtotype
January 12th, 2015, 18:07
Don't have to fully drop it out... just drop it down a little...

http://www.rs6.com/showthread.php/22236-Kyle-gets-downpipes-random-picture-thread?highlight=downpipes

Greyyork
January 18th, 2015, 21:36
I would buy a set 100%. IF they are quality just like someone said earlier. Everything is going to crap OEM these days for the older models. I would even have them install it. Once you know what you're doing you can drop the pipes in 2 hours..I say that theoretically. I went with dropping everything and it took me 1 day to do it...then 17 to put it back together with a mechanic at my side the entire time. Although we did take our time and he was showing me everything.

mdegracia
February 18th, 2015, 20:26
Any updates?

s8prtotype
February 18th, 2015, 21:43
I was told about a month from the source. Can't wait!

mdegracia
February 18th, 2015, 23:05
How many are being made, or will there be another post on group buy?

Greyyork
February 19th, 2015, 09:14
Still eagerly waiting the results...I want a set.

SteveKen
February 19th, 2015, 15:35
Maybe you end up with these?

http://kendrish.com/galleries/blackS6/misc/ko_dps.jpg

I've had them for a while now, but finally got my clutch on Monday.

I will not have feedback on these until spring I suppose.

s8prtotype
February 19th, 2015, 17:06
I'm wanting the 3" catless :)

PCMacDr
February 19th, 2015, 19:46
Pretty, I want

Greyyork
February 20th, 2015, 10:27
Steveken...you want to sell me those *jedi mind trick*

rs6fred
April 13th, 2015, 05:42
Sooo what's the word on the DP'S?

Del Stator
May 28th, 2015, 19:04
Maybe you end up with these?

http://kendrish.com/galleries/blackS6/misc/ko_dps.jpg

Are these custom made? If so who made them? What is the diameter? I assume that the bulge between the O2 bung and the exit is a cat?

UrS6
June 15th, 2015, 22:38
Is this down pipe deal dead? It seems that some fabricater could make a few bucks if there were 10 or more people who wanted in.