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C63 Rear Diffuser Merely Cosmetic?

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Old 06-02-2009, 08:31 AM
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E350 Sport & Rs6
I like this thread!

Added downforce??? HUM.... but I know it will help break up the wind while it exits the rear!!!

Revosport- I like that peice......
Old 06-02-2009, 11:29 AM
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2013 Nissan GT-R BE
Originally Posted by revozport
Furthermore, I must admit although we do not have any wind tunnel with loads of figures to support our claim. All testing were done by personal test drive at speed of 240-260km/h straight. We believe if you can feel it, it's there. If you can't feel it, even we provide a bunch of figures and graphs, it's not significant enough right?
Right... let me know where I can drive, or even race, at 150 mph then I will buy it in a heartbeat.

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Old 06-02-2009, 11:56 AM
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2013 Nissan GT-R BE
Originally Posted by revozport
Furthermore, I must admit although we do not have any wind tunnel with loads of figures to support our claim. All testing were done by personal test drive at speed of 240-260km/h straight. We believe if you can feel it, it's there. If you can't feel it, even we provide a bunch of figures and graphs, it's not significant enough right?
Right... let me know where I can drive, or even race, at 150 mph then I will buy it in a heartbeat.

Sheep
Old 06-02-2009, 03:13 PM
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Originally Posted by Sheep
Right... let me know where I can drive, or even race, at 150 mph then I will buy it in a heartbeat.

Sheep
Nürburgring Nordschleife....£22 per lap ($35.20) 14 miles of pure out and out fun. Just been and did a lap in 8mins 58 secs, not the quickest I grant you but you can drive as fast (or slow) as you like and race whatever there is on track at the time...

Mark.
Old 06-02-2009, 03:42 PM
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E63 P30, CL500 Sport
Originally Posted by LZH
None of the diffusers on these cars including the Black Series add any downforce whatsoever. The black Series diffuser is not really a diffuser (same with C63, SL63 etc...) it just houses the cooler for the dif.
By the way, EuroTeck has actually done wind-tunel testing for their SLK55 diffuser and showed good results. The thread is somewhere in the SLK55 AMG section. And the diffuser looks great as well.

Originally Posted by LZH
The Revozport piece pictured above will not add downforce from what I can see...Unless of course they have down windtunnel testing to back up claims, which I highly doubt. It will however smooth the airflow a bit, but hardly noticable except for very high speeds.
I actually think the Revozport diffuser is a very good design. It is at least more functional than all the other common ones on the market. Most of the others were designed as a cosmetic piece only without any functionality what so ever. However, the Revozport diffuser seem to have been designed with some functionality in mind. And it looks like they paid great attention to detail and quality as well. I'm not sure how much downforce or stability their diffuser actually provides, but I know it will be more than any of the common ones available on the market.
Old 06-02-2009, 04:31 PM
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Originally Posted by SuperCover
Nürburgring Nordschleife....£22 per lap ($35.20) 14 miles of pure out and out fun. Just been and did a lap in 8mins 58 secs, not the quickest I grant you but you can drive as fast (or slow) as you like and race whatever there is on track at the time...

Mark.
Yeah, but you can do that almost on a daily basis on the autobahn for free!!!
Old 06-02-2009, 06:11 PM
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Originally Posted by SuperCover
Nürburgring Nordschleife....£22 per lap ($35.20) 14 miles of pure out and out fun. Just been and did a lap in 8mins 58 secs, not the quickest I grant you but you can drive as fast (or slow) as you like and race whatever there is on track at the time...

Mark.
Sounds like fun, thats like 45secs off the reported C63 time....not sure if they used the 14mi. track....
Old 06-02-2009, 06:36 PM
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Originally Posted by GENTANI
Sounds like fun, thats like 45secs off the reported C63 time....not sure if they used the 14mi. track....
Maybe SuperCover drove a different car?
Old 06-03-2009, 03:26 AM
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Those Revozport Aero parts are sick! If I had a C63, I would definitely get that rear diffuser. The stock "diffuser insert" is merely cosmetic and produces some amount of drag, as the lower edge is not contiguous with the underside of the car. That aggressive front lip is not bad either.
Old 06-04-2009, 09:04 PM
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2009 C63 AMG / 2007 BMW 130i M Sport
(flame suit on)

Our diffusers are clearly merely cosmetic. But as I see it... why are you guys worried about that, owning a C63?

Thats just as crazy as a 63 Hemi Cuda owner saying "oh man, do you guys think that if I change the entire steering system, I'll be able to turn more?" The cuda is noticeably a car that steers poorly.

Now, every review of the C63 says the car is an axe murderer with 4 wheels. It is just Atila with an engine. C'mon, not even Jermey Clarkson could run over that orange/apple (I cant recall) with the C63, after 3 attempts. It is not a precision car. If you guys are looking for precision, should have got the new M3 with all that high-tech regulation stuff that you'll never use unless you are a pilot tracking the car.

That said, I'm just happy as the stock car stability already is. Not in the market for anything concearning downforce. In the cosmetic department, I would be much happier to have entire LED taillights or something more refined than a chevy aveo door pins.
Old 06-04-2009, 11:25 PM
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09' C63 AMG
Originally Posted by chucknorris
Those Revozport Aero parts are sick! If I had a C63, I would definitely get that rear diffuser. The stock "diffuser insert" is merely cosmetic and produces some amount of drag, as the lower edge is not contiguous with the underside of the car. That aggressive front lip is not bad either.
Yo CHUCK,
You would be a fool to pay over $1000 for a diffuser! And the RevoZport Lip looks like a shovel plow and is quite digusting
Old 06-04-2009, 11:56 PM
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shovel plow and is quite digusting
Old 06-05-2009, 12:13 AM
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Guess different people have different taste and we should really respect that. Taste is a subjective thing anyways.
Old 06-05-2009, 03:09 AM
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