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-   -   2013+ 4.0T Downpipes vibration FIX for $150 for out of warranty repair.. READ! (https://www.audiworld.com/forums/a8-s8-d4-platform-discussion-190/2013-4-0t-downpipes-vibration-fix-%24150-out-warranty-repair-read-2920505/)

nimski62 05-15-2017 06:23 PM

2013+ 4.0T Downpipes vibration FIX for $150 for out of warranty repair.. READ!
 
So I recently got my 2013 S8 4.0T with 60k miles and right away I noticed the 1k and 3k RPM vibration pretty bad. I did some research and found out the factory flex pipes located on the mid pipes AFTER the downpipes was the culprit. I bought these on amazon: for $40/pair and had my local trusted exhaust shop cut the old flex pipes out and weld the new ones in. It took 2 hours of labor @ $50/hr and when I picked the car up it was completely vibration free! No more 3k or 1k rpm vibration at idle or while driving, all for $150. It sure beats the dealer installed price of $1500! Give it a try!

Jack88 05-16-2017 03:08 AM

Good to know that worked for you, I may need to use this in the near future.

rs6guy 05-05-2018 02:50 PM


Originally Posted by nimski62 (Post 24968802)
So I recently got my 2013 S8 4.0T with 60k miles and right away I noticed the 1k and 3k RPM vibration pretty bad. I did some research and found out the factory flex pipes located on the mid pipes AFTER the downpipes was the culprit. I bought these on amazon: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
for $40/pair and had my local trusted exhaust shop cut the old flex pipes out and weld the new ones in. It took 2 hours of labor @ $50/hr and when I picked the car up it was completely vibration free! No more 3k or 1k rpm vibration at idle or while driving, all for $150. It sure beats the dealer installed price of $1500! Give it a try!


Just bought a 2013 S8 with 30K on it without test driving [yeah, I know].

I suspect this will be a problem, so I appreciate this information since it is out of warranty.

chipsterguy 05-06-2018 07:11 PM

let us know if it works for you

S8INTS 05-21-2018 03:12 PM

I ordered the linked flex pipes from First post and will be giving it a try next week. I’ll be doing back two rear muffler delete and ECS black chrome tip install as well.

S8INTS 05-21-2018 03:15 PM

Nimski62 did you order the exact ones you linked? 2.5” X8?

S8INTS 05-30-2018 06:07 PM

https://cimg5.ibsrv.net/gimg/www.aud...0c8c95e72.jpeg
https://cimg6.ibsrv.net/gimg/www.aud...82a2d6c85.jpeg
https://cimg9.ibsrv.net/gimg/www.aud...ae1fb0a03.jpeg
Had a muffler delete and ECS black chrome tips installed. Also had them weld new flex pipes in the mid pipes. So far I’m really pleased with the sound and the look! Also no vibration at 3k!

rs6guy 05-30-2018 06:22 PM

Great look. Who did the work? Total cost? Is the sound gonna drive my wife crazy?

S8INTS 05-30-2018 06:32 PM

Local place hear in Arkansas. It cost $500 out the door. It has a nice deep growl but has almost 0 drone. Just drove with the wife myself and she liked it. (She likes loud though..)

sushistrip 11-30-2018 08:34 AM

Finally getting around to doing this myself. Ordered the pipes that OP linked, going to have a muffler shop weld them in next week. I'll update with the results.


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