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      04-26-2012, 01:35 PM   #23
KEYON
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2011 E92 M3  [4.83]
Very interested to see how it sounds without an x-pipe.
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      04-26-2012, 02:24 PM   #24
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Same here.
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      04-29-2012, 06:48 PM   #25
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Quote:
Originally Posted by KEYON View Post
Very interested to see how it sounds without an x-pipe.

Here is a new video from today with the Challenge Rear Section Exhaust with stock X pipe.




I also recorded decibel readings for numerous situations. If we are able to get our hands on a stock M3 this week, ill get some stock baseline levels for you. All of the levels are very reasonable on this exhaust

All db readings were done at the industry/legal standard outside of the car:

Outside

4,000 RPM: 84db
5,500 RPM: 87db
7,000 RPM: 91db


In car

30 MPH Cruising: 53db
65 MPH Cruising: 68db
75 MPH Cruising: 71db
Full throttle 0-60: 71db max




Here is the same exhaust, but with a Challenge Race X Pipe installed for reference:

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      05-24-2012, 10:01 AM   #26
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1x E92/93 M3 system left in stock. Ready to ship now
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      05-25-2012, 06:36 AM   #27
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Are there any weight savings over the stock cat back?
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      05-25-2012, 04:27 PM   #28
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Quote:
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Are there any weight savings over the stock cat back?
The Challenge rear exhaust with connecting pipes weigh 20.5lbs each.

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      05-25-2012, 04:39 PM   #29
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I like how the exhaust paired with the x-pipe sounds. Very crisp and brings out the high revs notes the S65 makes.
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      05-26-2012, 08:21 AM   #30
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Quote:
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1x E92/93 M3 system left in stock. Ready to ship now
Not any more
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      05-29-2012, 09:56 AM   #31
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Quote:
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Not any more
last system sold.
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      05-30-2012, 07:44 AM   #32
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New photos.

Challenge Street X-pipe + Challenge rear system


Challenge rear system-


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      05-30-2012, 02:35 PM   #33
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Hi Nate - when do you guys expect to have more exhausts in stock? thx BC
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      05-30-2012, 02:39 PM   #34
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Hi Nate - when do you guys expect to have more exhausts in stock? thx BC
I have one coupe coming mid next week.
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      06-19-2012, 10:00 PM   #35
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Would love to see a review from one of the guys that have this !!
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      06-27-2012, 03:19 PM   #36
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We have the Challenge E92/93 M3 systems in stock now

Quote:
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Would love to see a review from one of the guys that have this !!
Few reviews in this thread-
http://www.m3post.com/forums/showthr...llenge+exhaust
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      06-27-2012, 04:09 PM   #37
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that sounds good with just the stock x-pipe.
Nate, have you done any install in your facility? is it easy to remove the stock and slap on this exhaust?
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      06-27-2012, 04:17 PM   #38
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Quote:
Originally Posted by eatrach73 View Post
that sounds good with just the stock x-pipe.
Nate, have you done any install in your facility? is it easy to remove the stock and slap on this exhaust?
Yes the install is 100% bolt-on and takes about 45 mins total with a lift.
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      07-02-2012, 09:40 PM   #39
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Pm price shipped of race x pipe to 07093 thanks!
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      07-05-2012, 02:55 PM   #40
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PM sent.

2x Coupe systems left in stock now
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      07-15-2012, 07:31 PM   #41
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Any user reviews? Videos?
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      07-19-2012, 11:49 AM   #42
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Quote:
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Any user reviews? Videos?
Should be more up soon. We just shipped out a few more systems.

I have 1x E92/93 M3 left in stock now.
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      07-24-2012, 11:38 PM   #43
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Price with xpipe shipped to 07033 please.
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      07-26-2012, 09:45 AM   #44
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Quote:
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Price with xpipe shipped to 07033 please.
Pm sent
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