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07-11-2013, 03:49 PM | #1 |
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AMS catless downpipe dyno! (peak power figure of 586 horsepower at the wheels)
After an extended stay in California after the BimmerFest show, IND’s M5 finally returned to Chicago this past Monday. All of us at IND were eagerly anticipating it’s return, and took off to the Dynojet at AMS Performance to finally test the AMS catless downpipes.
Although our M5 has been a test subject for quite a few dyno runs already, the excitement to hear the car spin the rollers with a fully catless setup was almost palpable. The car started with it’s usual roar, and within a few minutes we were off and testing. As predicted, the catless downpipes coupled with an Eisenmann Race exhaust system have given the car a very healthy increase in power. Our dyno results should not come as a surprise to any owners of catless F10 M5s, but are rather a confirmation of what most already know- the AMS catless downpipes completely transform the car! Our testing found a peak power figure of 586 horsepower at the wheels! We’ve overlaid this new test run over our original baseline run with a 527 wheel horsepower result- the power gain is impressive throughout the RPM range. Current performance mods AMS Performance catless downpipes Eisenmann Center pipes Eisenmann Race 4x102mm tips GruppeM intake You can view our original baseline dyno testing of the car as it was delivered from BMW by following this link: http://f10.m5post.com/forums/showthread.php?t=740823 OEM vs. AMS
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07-11-2013, 05:43 PM | #3 |
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I didnt expect anything less.. Great gains and thanks for sharing..
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07-12-2013, 07:58 AM | #7 |
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Here is a price breakdown on the parts that we have installed. The downpipes catless or catted make a world of difference on the S63tu so you could always start with the downpipes only.
Eisenmann Race 4x102mm tips = $4150.00 Eisenmann center pipes = $2599.00 AMS catless downpipes = $1799.00 GruppeM intake = $3495.00 You are going to love the new downpipes
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07-12-2013, 08:14 AM | #8 |
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Very nice. I suspect the down pipes are responsible for the bulk of these gains. The exhaust is likely less than 15% of the difference.
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07-12-2013, 08:29 AM | #9 | |
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Quote:
Oh, just thought of this. Since the Beast is back from ESS now, does that mean that ESS is close to being able to produce a tune for sale? Any preview of what that tune might include........ such as: speed limit delete, exhaust related CEL gone, or various HP levels of the tune? Last edited by Used2be; 07-12-2013 at 08:35 AM.. |
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07-12-2013, 04:40 PM | #12 |
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Very nice gains. I am happy with the catless.
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07-12-2013, 05:20 PM | #13 |
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confused, thought you went catted?
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