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      11-29-2012, 09:57 AM   #11
Ilia@IND
BMW obsessed
 
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Drives: F10 M5
Join Date: Oct 2006
Location: Chicago

Posts: 2,119
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Quote:
Originally Posted by lippi View Post
Ilia, would let me test the AMS catless downpipe?
Absolutely. Your car will be a beast with downpipes.

Quote:
Originally Posted by star21 View Post
When you mentioned a reputable company making the downpipes you definitely weren't kidding!

I've noticed several of the other tuner downpipes on the market currently have no provisions for a flex section. I'm assuming most are deeming them unnecessary? The only one I've seen so far with a flex section is the Agency Power.
Good question. At this point I can't speak to whether or not the car needs a flex section in that position. Typically cars with soft engine mounts that allow a great deal of engine motion under load or exhausts that move significantly would need a flex section, and from what I've seen the F10 M5 does not have either issue. It may be that a flex section is not necessary, but we will test this thoroughly as soon as the car returns from California.
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