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| 11-11-2017, 03:53 PM | #1 |
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Second Lieutenant
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Akra question
Recent purchase of a 08 e90 w/ 25k on the clock...
car has OE muffler and an RPI X pipe... not fond of the high pitch note nor the chrome tips will buying the Akra muffler do the trick... as in I hope the Evolution is not required to improve the note... your thoughts? |
| 11-12-2017, 11:12 AM | #3 |
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Major General
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I have an Akra axle-back (CF tips) paired with a Challenge Sport x-pipe with HFCs. The sound is not high pitched; instead, it has a deeper bass sound to it. I had an AA axle-back paired with an AA x-pipe with HFCs - this setup had a high pitched wail that screamed like a banshee!
If you want a deeper sound then I think you'd be happy with an Akra axle-back, and the Akra Ti or CF tips would address your chrome tip concern. |
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| 11-12-2017, 01:11 PM | #4 |
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Second Lieutenant
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thanks for the reply...
but the question really is, what sonic or performance increases would I obtain if I used the Akra Evolution over the Akra slip on when the slip on is combined with the RPI X-pipe, which I already own (the X-pipe that is) |
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| 11-12-2017, 05:43 PM | #5 |
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Captain
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https://www.akrapovic.com/#!/car/pro...=63&yearId=233
https://www.akrapovic.com/#!/car/pro...=63&yearId=233 E92, but it gives you the idea. |
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| 11-12-2017, 05:53 PM | #6 | |
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Quote:
I'm not familiar with the RPI x-pipe but if it's a well-designed x-pipe then there'd be very little difference in power gained between an RPI x-pipe + Akra axle-back setup and an Akra Evo setup. |
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| 11-12-2017, 06:33 PM | #7 |
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Second Lieutenant
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You are right.... I never did ask about that... but it dawned on me later!!
I did not think it warranted removing something I own for no advantage: tone, looks OR performance!!!!!! |
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| 11-12-2017, 06:57 PM | #9 | |
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Quote:
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| 11-12-2017, 07:02 PM | #10 |
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Second Lieutenant
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Since it's no longer being made for the e90, I guess I will have to buy what ever comes along!!
or I could get the M Performance rear muffler....???? Used or new! |
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| 11-19-2017, 11:23 PM | #11 |
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Drives: 2008 BMW M3 Sedan
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I have akra axle back and really like it on my e90. Deeper than stock, not too much louder, no drone.
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