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      02-09-2013, 08:43 AM   #23
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Installed and I love it! I coud NOT be happier!







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      10-29-2015, 01:20 AM   #24
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Quote:
Originally Posted by Artemis View Post
in order to get the sporty sound on a permanent basis, grind off and remove the welded blocking plate from the connecting pipe (see the small connecting pipe on the left of Figure 27 on page 34 of the Slip-On installation guide
Thank you Artemis for the info on removing the blocking plate (flap).

I had my installer return the 1M with the installed (but muffled) Akrapovic exhaust system and I was confused as hell as to why the system sounded so unremarkable.

After taking it back and showing Figure 27 on Page 34 then having them grind that piece off to get air flowing to the outer tips of the exhaust, the unit sounds amazing and I am so happy of the upgrade.

Thanks again!
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      10-29-2015, 02:15 PM   #25
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Quote:
Originally Posted by DSCPLN View Post
Thank you Artemis for the info on removing the blocking plate (flap).
I had my installer return the 1M with the installed (but muffled) Akrapovic exhaust system and I was confused as hell as to why the system sounded so unremarkable.
After taking it back and showing Figure 27 on Page 34 then having them grind that piece off to get air flowing to the outer tips of the exhaust, the unit sounds amazing and I am so happy of the upgrade.
Thanks again!
Check 00:47-00:48 of the video below (removal of the welded blocking plate of/off the connecting pipe):


But beware: by grinding off the welded blocking plate you void the EC Type approval:

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      10-05-2016, 01:41 PM   #26
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Just installed in my 1M the Akrapovic Evolution Exhaust + Akrapovic Downpipes.. I choosed not to buy the valve, so I went to "always open mode" by breaking the welded part. No CEL light and no regret so far!
And it roars like a beast!
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