11-30-2012, 06:38 AM | #23 | |
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11-30-2012, 08:50 AM | #24 | ||
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I agree ... this will help people looking for a exhaust system make their decision easier
It would also probably make some people think about switching their exhaust system too As for the title I think it should be for ANY F10 M5 in the US to brag about ... lol Quote:
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11-30-2012, 09:06 AM | #25 | |
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![]() http://www.akrapovic.com/en/Automoti...ing-Teams.aspx ![]()
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11-30-2012, 09:06 AM | #26 | |
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I'd like to see dyno numbers but would LOVE to see real world action ...
(I had RPi air scoops for my E60 M5 too .. amazing) Quote:
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11-30-2012, 11:52 AM | #27 | |
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Here's my review of the RPi GT Exhaust System.
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11-30-2012, 11:52 AM | #28 | |
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11-30-2012, 11:53 AM | #29 | |
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11-30-2012, 12:06 PM | #30 |
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Drives: 2013 M5 SSII
Join Date: Aug 2012
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I've got a stock M5 and am happy to help
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11-30-2012, 12:07 PM | #31 | |
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I did find out that another vendor on this site (not Rpi) ran a stock dyno and then installed a tune with the full exhaust but did not disclose that they beast was running a custom file. They are claiming that all of the power came from the exhaust system ![]()
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11-30-2012, 12:15 PM | #32 | |
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I know Rob///M5, we could prolly roll up together and do some dynoing. ![]()
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11-30-2012, 02:23 PM | #33 |
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Pardon my ignorance but where is the GT system available for the F10 on the RPI website? Is it there or do I need a cup of joe and my reading glasses, many thanks
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11-30-2012, 02:39 PM | #34 | |
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11-30-2012, 03:04 PM | #35 |
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Correct same one.
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11-30-2012, 03:05 PM | #36 | |
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I agree w/ RPiM5 .. that's super shady that a company would do that.
Nate@IND Which company is trying to pull a fast one? Quote:
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11-30-2012, 03:29 PM | #37 |
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I know this contrary to what most want but does the GTS sound stock but give the same gains? I like the stock sound and don't want a louder car, would like the extra power though. Any other exhaust systems to consider for max gain without noise. I know you can do valve control but not sure I want that either. Sound like this ![]() Drive like this ![]() thx D |
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11-30-2012, 03:56 PM | #38 | |
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![]() Check these out.
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11-30-2012, 06:42 PM | #40 | |
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I'm looking forward to the results of the comparison ...
What would be more amazing is along with the dyno tests we find a runway or track to see the F10 M5's in action ... I bet myself and members of M5POST would want to see that too!! Anybody know of a safe and controlled place this could happen at? Quote:
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11-30-2012, 07:44 PM | #41 | |
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Yes, power and sound may a bit conservative for the F10 M5 but that might've been the one of the many reasons why BMW decided to run Akrapovic on their safety car and do a subconscious endorsement of the brand. Clearly the quality is there if they're in the higher end of motorsports like DTM and FIA LMP1 racing. People may balk at the price of the Akrapovic but let's not forget it's made out of titanium and not stainless steel so there will of course be a price increase in material and manufacturing costs. In that price sense, wouldn't the Eisenmann (as an example) be a tad overpriced since it's made out of stainless steel and priced close to the Akrapovic? People find it easy to find power numbers are down on the Akrapovic from others but forget about the performance benefits of less weight. Are RPi's products corrosion resistant painted or even possibly ceramic coated for heat insulation? I've only seen several examples of the system unpainted/coated. |
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11-30-2012, 09:08 PM | #42 | |
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I've only seen the Akrapovic exhaust on posts and heard what it sounds like in video clips ..
But based on the posts it certainly look's like a high quality product and the fact that BMW co-signed it is just the cherry on top. Are there any dyno numbers showing how much HP increase the Akrapovic exhaust produces on the F10 M5? Nevertheless Star21 has some great points ... TITANIUM baby!! Quote:
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