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09-29-2014, 04:08 PM | #1 |
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Akrapovic Evolution Exhaust for F80 M3 / F82 M4 - Weights, Dyno, Impressions, Video
Featured on BIMMERPOST.com Akrapovic released just a handful of systems on late last week. With EAS being an authorized Akrapovic dealer since their introduction to the US, we were able to get one of the first systems for our M4 as well as installing the system on Akrapovic's own M4. We'll be installing the following items in this thread: - Akrapovic Evolution Exhaust System w/ carbon fiber tips - Akrapovic Carbon Rear Diffuser Akrapovic Evolution Exhaust As expected from Akrapovic, the systems are very high quality and constructed from full titanium. Everything needed is included with the Evolution systems for a bolt on installation. For those utilizing the Slip-On systems, the OEM exhaust is cut and installed with the provided clamps. Valvetronic Electronic Bypass valves are retained from the stock exhaust system on the Akrapovic silencer. Optional Carbon Fiber/Titanium Exhaust Tips There are two options of exhaust tips: Carbon Fiber/Titanium or Full Titanium. For this install, we will be installing the hybrid Carbon Fiber/Titanium Tips. Akrapovic Diffuser Relatively new for the BMW scene, Akrapovic has been manufacturing carbon for some time now of other platforms such as the GT3 and Ferrari lines. The quality on this piece is no different. With a matte finish, this is a beautiful piece with exceptional quality, matching the tips nicely. Weights BMW has taken a much different approach with the 5th Generation of the M3 (and M4) models concentrating on vehicle weight. OEM Exhaust Weights Full System: 69lbs Akrapovic Exhaust Weights Slip-On Section/Silencer: 29.5lbs Connecting Pipe: 14.0lbs Combined Weight: 43.5lbs (25.5lb weight savings over OEM) Exhaust Note The sound has a very throaty exhaust note, very exotic while retaining the S55's signature sound. When mashing on the throttle, it seems to come alive ready to punch on anything in its way. Not overbearing, yet aggressive in nature.
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09-29-2014, 04:09 PM | #2 |
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Installation As come to expect, installation is a breeze. All hardware is provided and all mounts/brackets line up perfectly with the factory mounts. Below is a pictorial overview of the install:
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Tom G. | european auto source (eas)
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09-29-2014, 04:10 PM | #3 |
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Dyno Results Being a prime opportunity for dyno data, we were able to get a baseline and after result with the system installed. With a peak gain of 7whp on 91 octane, this can mean a couple of things: 1) The BMW factory exhaust is very efficient, or 2) The choke point (likely) is further up at the downpipes. VIDEO: SAE STD CONDITIONS We will be installing Downpipes and the Akrapovic Evolution on our shop M4 to compare results soon. Completed Installation Installation is about an hour on the exhaust, the diffuser is literally minutes to install. Once completed, we are greeted with a very aggressive appearance and exhaust note. A set of 15mm/12mm Macht Schnell spacers were also installed to match the stance with the exhaust. Hope you enjoyed the experience as much as we did. We'll be installing system #2 shortly on our Austin Yellow M4 w/ Downpipes and following up with comparative results.
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Tom G. | european auto source (eas)
email: tom@europeanautosource.com · web: https://europeanautosource.com· tel 866.669.0705 · ca: 714.369.8524 x22 GET DAILY UPDATES ON OUR BLOG · FACEBOOK · YOUTUBE · FLICKR · INSTAGRAM Last edited by tom @ eas; 09-29-2014 at 04:38 PM.. |
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09-29-2014, 06:11 PM | #7 |
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Not exactly sure what you are referring to.
But if you are looking to install them on the OEM or other exhaust, keep in mind the tips are specific for Akrapovic systems only.
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Tom G. | european auto source (eas)
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09-29-2014, 06:16 PM | #8 |
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Figured it wouldnt work, Not in a market for exhaust yet howeve like the CF tips perhaps in due time.
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09-29-2014, 06:22 PM | #9 |
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can't ever complain about Akra's attention to detail. Stunning and looks like a piece of art
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09-29-2014, 07:03 PM | #11 |
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09-29-2014, 08:59 PM | #13 | |
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Quote:
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09-30-2014, 09:54 AM | #15 |
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To think Akrapovic started as a small manufacturer of sportbike exhausts (then called Scorpion) and where there are now in a short time is impressive.
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09-30-2014, 10:01 AM | #16 |
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Great photos.
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09-30-2014, 10:20 AM | #19 | |
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Quote:
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09-30-2014, 10:42 AM | #22 |
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