Dixis Titanium Exhaust and H Pipe - BMW M5 Forum and M6 Forums

Go Back   BMW M5 Forum and M6 Forums > BMW M5, M5 Touring, M6 and Z8 Forums > E60 M5 and E61 M5 Touring Discussion

E60 M5 and E61 M5 Touring Discussion 2005- Advertiser's Forum


Reply
 
LinkBack Thread Tools Rate Thread Display Modes
Old 22nd May 2007, 08:29   #1
NobleM400
Company Representative of RPI Power
 
NobleM400's Avatar
 
Join Date: Jan 2006
Location: RPV

Garage: 06 BMW M5 Silver Gray Metallic

Sales Feedback: (0)

Thanks: 78
Thanked 516 Times in 330 Posts
Dixis Titanium Exhaust and H Pipe

I just picked up the Dixis Titanium Exhaust and H pipe from an M5 Board member (thanks!).

The Dixis is 26.4 lbs. The band clamps (not included) are 1.1 lbs. The stock rubber hangers (reused) are 1.3 lbs. That's a total of 28.8 lbs. The stock exhaust is 79.8 lbs. That's a 51.0 lb difference between the Dixis and the stock system.

Here are some pictures. I'll take some video next. Unfortunately, I let the batteries run out on my HD camcorder.

Stock exhaust:





Stock neck-down:





Here's a look at the stock main cats attached to the headers, sometimes called the precats. They're metal matrix, but high cell-count:



Here are the main cats, sometimes called the secondary:





The first thing that had to be done is cutting the stock pipe. The pipe was cut, then the cut was smoothed, so that it doesn't impede exhaust flow.



Here's the Dixis titanium exhaust:







Close-up of the welds. With titanium, because it is so hard to bend, the shaper turns are welded, while the shallower ones are mandrel bent.



Single wall, flame treated dual tips, 80mm each:



Band clamps are used to connect the exhaust to the stock "section 1" pipes, since the diameters are exactly the same:



It uses an H pipe balancing tube instead of an X pipe:



Here's another look at the tips on the car:







Sound wise, the exhaust is quieter than I expected for such small mufflers, especially with titanium.

Idle is a little louder than stock, though it has a fuller presence. There's absolutely NO drone at all, which is AWESOME. I cannot stand resonance at all, especially with a luxury oriented vehicle.

With low throttle, it's close to stock volumes inside the car, though a bit louder outside. Cruising is comfortable and quiet.

With the mid-throttle, you definitely hear more of the exhaust, though not a lot.

With heavy throttle, or with the throttle completely buried, you can definitely hear the exhaust. There's a far better balance between the induction noise, engine noise, and the exhaust note. At high RPM's, there's a smooth, ramped up scream. Surprisingly, it's not raspy at all, despite the removal of the resonator. There's no crackle or tinny sounding buzz to the exhaust note at all, just a building crescendo to redline.

Overall, I love it. I like how it's reasonably quiet still, because that allows me to increase the noise with headers or high flow cats. If it's too loud to begin with, swapping cats will make it unbearably loud.
Attached Thumbnails
Dixis Titanium Exhaust and H Pipe-clamps1.jpg  

Dixis Titanium Exhaust and H Pipe-dixistips1.jpg  

Dixis Titanium Exhaust and H Pipe-hpipe1.jpg  

Dixis Titanium Exhaust and H Pipe-parts1.jpg  

Dixis Titanium Exhaust and H Pipe-parts2.jpg  

Dixis Titanium Exhaust and H Pipe-parts3.jpg  

Dixis Titanium Exhaust and H Pipe-polish1.jpg  

Dixis Titanium Exhaust and H Pipe-secondarycat1.jpg  

Dixis Titanium Exhaust and H Pipe-secondarycat2.jpg  

Dixis Titanium Exhaust and H Pipe-stock1.jpg  

Dixis Titanium Exhaust and H Pipe-stock2.jpg  

Dixis Titanium Exhaust and H Pipe-stock3.jpg  

Dixis Titanium Exhaust and H Pipe-stock4.jpg  

Dixis Titanium Exhaust and H Pipe-stockprecat1.jpg  

Dixis Titanium Exhaust and H Pipe-tips1.jpg  

Dixis Titanium Exhaust and H Pipe-tips2.jpg  

Dixis Titanium Exhaust and H Pipe-tips3.jpg  

Dixis Titanium Exhaust and H Pipe-welds1.jpg  

__________________
Gabe
Race Precision, Inc

Last edited by kees; 22nd May 2007 at 14:15. Reason: Added pictures as attachments
NobleM400 is offline   Reply With Quote Quick reply to this message
Old 22nd May 2007, 08:33   #2
///M Lifestyle
m5board.comoholic (>1000 posts)
 
///M Lifestyle's Avatar
 
Join Date: Apr 2007
Location: SoCal

Garage: M6

Sales Feedback: (0)

Thanks: 14
Thanked 143 Times in 103 Posts
video clips!!!
__________________
2008 Range Rover Sport (Sold)
2011 BMW 740i
///M Lifestyle is offline   Reply With Quote Quick reply to this message
Old 22nd May 2007, 11:40   #3
RKN
Addicted Member (>300 posts)
 
RKN's Avatar
 
Join Date: Dec 2006
Location: AbuDhabi

Garage: M FUNF 06 IN.BLUE

Sales Feedback: (0)

Thanks: 22
Thanked 11 Times in 8 Posts
a 51.0 lb difference is a lot ...nice exhaust system
nways installition duration?

Last edited by RKN; 22nd May 2007 at 11:41.
RKN is offline   Reply With Quote Quick reply to this message
Old 22nd May 2007, 13:28   #4
dubaibmw
Member, Sport: On DSC: On (>100 posts)
 
dubaibmw's Avatar
 
Join Date: May 2007
Location: dubai
Age: 32

Garage: 2006 e60 m5 interlagos blue

Sales Feedback: (0)

Thanks: 0
Thanked 0 Times in 0 Posts
nice one mate nice sound weight save all gotta be good
__________________
m5 in dubai

dubai Property specialist

deposit down and on the waiting list for the new m3

not delivered till next june
dubaibmw is offline   Reply With Quote Quick reply to this message
Old 22nd May 2007, 14:02   #5
gasterus
m5board.comoholic (>1000 posts)
 
gasterus's Avatar
 
Join Date: Dec 2005
Location: Jakarta

Garage: M6, Black/black

Sales Feedback: (0)

Thanks: 216
Thanked 96 Times in 74 Posts
Nice exhaust and pictures! Prehaps some video clips......
__________________
07 M6 blk/blk
RDsport RS58 stroker with custom ECU tune
Decated stock headers, supersprint x-pipe, E-Race mufflers
Evosport Pulleys, BMC air filters, RPI air scoops & oilcooler
H&R springs, Dinan FRC & rear sway bar
20" Ac Schnitzer V with Yokos advans sport
Brembos 6-pot 405mm front+4-pot 380mm rear

08 E92 M3 S.Graphite/Red
gasterus is offline   Reply With Quote Quick reply to this message
Old 22nd May 2007, 14:52   #6
unfoundhorsepower
M5 Expert (>4000)
 
unfoundhorsepower's Avatar
 
Join Date: Jan 2006
Location: Massachusetts,U.S.A.

Garage: 2006 M5-E60, Interlagos blue,all options + 2004 Z4 Red loaded,2004 M3 Luguna Seca Blue, 2009 X5 35d Saphire Black.

Sales Feedback: (0)

Thanks: 1,871
Thanked 688 Times in 458 Posts
I like it !! Nice welds it looks of really good quality. thanks
__________________
"The SMG is for stick users who understand the difference"

..........................P.C.T....R.I.P. .....................

See you all at the:
.
Mmmmm meet...in Massachusetts, It was good to see all of you !!
unfoundhorsepower is offline   Reply With Quote Quick reply to this message
Old 22nd May 2007, 19:01   #7
905RMP32V1x
Member, P500 Sport, DSC off (>900)
 
905RMP32V1x's Avatar
 
Join Date: Jun 2006
Location: Colleyville, TX

Garage: M5, Indy Red

Sales Feedback: (1)

Thanks: 0
Thanked 0 Times in 0 Posts
I appreciate all the picts. Looks great.
__________________
2006 Indy Red/Blk/Alum loaded,
H&R springs w spacers, 167(M6) wheels,
Dinan 3.91, Evo Pulley
CF grills, CF vents, ACS Spoiler
Vorsteiner CF Vented Hood, CF lower steering wheel
905R-driver
MP32-irons
ProV1x-ball
905RMP32V1x is offline   Reply With Quote Quick reply to this message
Old 22nd May 2007, 19:23   #8
ALTANertive
m5board.comoholic (>1000 posts)
 
ALTANertive's Avatar
 
Join Date: Dec 2005
Location: Irvine, CA, USA

Garage: E60 M5 Silver Gray/Indianapolis Red/Aluminum

Sales Feedback: (1)

Thanks: 16
Thanked 34 Times in 32 Posts
That is absolutely SIIIIICK!!!

Sound/vid clips or ban!

Oh, any reason you didn't add the section that replaces the 2ndary cats?
__________________
2006 BMW E60 M5 SG/IR/Al

Last edited by ALTANertive; 22nd May 2007 at 19:26.
ALTANertive is offline   Reply With Quote Quick reply to this message
Old 22nd May 2007, 19:29   #9
Laidback
M5 Expert (>4000)
 
Join Date: Dec 2005
Location: Los Angeles

Garage: Camaro lol:)

Sales Feedback: (25)

Thanks: 382
Thanked 438 Times in 296 Posts
Very sweet exhaust...Hope to see those on our next Vegas Meet
__________________
Mods: 91 octane with occasional 100 octane

"Illegitimus non carborundum"

" Despite its supercar attributes, the M5 still doubles as a soberly practical, spacious saloon - only with the ability to scare four passengers in comfort all the way to the local coronary unit". Top Gear
Laidback is offline   Reply With Quote Quick reply to this message
Old 22nd May 2007, 21:30   #10
NobleM400
Company Representative of RPI Power
 
NobleM400's Avatar
 
Join Date: Jan 2006
Location: RPV

Garage: 06 BMW M5 Silver Gray Metallic

Sales Feedback: (0)

Thanks: 78
Thanked 516 Times in 330 Posts
Quote:
Originally Posted by ALTANertive View Post
That is absolutely SIIIIICK!!!

Sound/vid clips or ban!

Oh, any reason you didn't add the section that replaces the 2ndary cats?
Yeah, will definitely do the video in a day or two.

In terms of the Section 1, I didn't add it because I bought the Dixis exhaust rather unexpectedly.

Is Eisenmann the only one who makes the straight through Section 1?
NobleM400 is offline   Reply With Quote Quick reply to this message
Reply

Bookmarks


Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the BMW M5 Forum and M6 Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On


Loading...

All times are GMT +2. The time now is 02:40.



Everything Copyright 2000-2008. Do not use ANYTHING from this site without written permission. All images, graphics, sound files, video files and text appearing on this web site are the exclusive property of m5board.com and are protected under international copyright laws. All images, graphics, sound files, video files and text on this site are for on-screen and on-site viewing and listening only. No part of this web site may be reproduced, copied, saved, stored, manipulated, or used in any form for personal or commercial purposes without the prior written permission of m5board.com. Use of any image or graphic as the basis for another photographic concept or illustration is a violation of the copyright. Any copyright infringement will be prosecuted to the full extent of federal and international copyright laws. M5board.com is an enthusiast board and we don't condone any dangerous activity. Our airfield events are completely safe based on years of experience, we conduct them during clear visibility with mature participants that have several years of experience with high-performance automobiles, large unobstructed run-off zones on sealed off private former military airbases and we clearly mark the braking zones. If inexperienced with high speed driving we do not recommend organizing your own event but attending a high-performance driving school. The use of the term "BMW" on this site is for reference only, and does not imply any connection between m5board.com and BMW AG or BMW North America.