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F10 / F11 (2011 - Current)
The new chapter in the highly successful story of the BMW 5 Series Sedan (F10) and wagon (F11)

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  #1  
Old 03-20-2013, 12:17 PM
Kcustom Kcustom is offline
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Mein Auto: 2013 550ix
Custom mufflers with 45 degree inlets

Mufflers modified, welded and hi temp coated. Custom tips on the way....

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2007 335i

Last edited by Kcustom; 03-20-2013 at 12:55 PM.
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  #2  
Old 03-20-2013, 12:37 PM
Boardman Boardman is offline
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  #3  
Old 03-21-2013, 03:32 PM
Kcustom Kcustom is offline
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tips are in.... : )

Tips are in....
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  #4  
Old 03-22-2013, 05:16 AM
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dunderhi dunderhi is online now
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Quote:
Originally Posted by Kcustom View Post
Tips are in....
I like those tips!

I'm curious to hear if you have any resonance issues.
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  #5  
Old 03-23-2013, 10:23 AM
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cordoor cordoor is offline
cor door sedan
Location: Utah
 
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Quote:
Originally Posted by dunderhi View Post
I like those tips!

I'm curious to hear if you have any resonance issues.
I see you have new sig pics.

I continue to be jealous of your long tree-lined driveway!
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  #6  
Old 03-23-2013, 11:54 AM
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dunderhi dunderhi is online now
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Quote:
Originally Posted by cordoor View Post
I see you have new sig pics.

I continue to be jealous of your long tree-lined driveway!
Thanks, it provides for a lot of seclusion and if it wasn't for the fact it comes to an abrupt end at my house, it would be really fun to keep on the throttle all of the way up.
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  #7  
Old 03-21-2013, 04:41 PM
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ausdude ausdude is offline
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Keep us posted!
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  #8  
Old 03-21-2013, 06:13 PM
jjsC6 jjsC6 is online now
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Agree with others, anxious to see how they work out.
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  #9  
Old 03-21-2013, 06:20 PM
Kcustom Kcustom is offline
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Will do.. fly back home tommorrow and going to try to get all installed on Saturday... will post more pics and sound clip when done. Will get paint work on new diffuser next as well... : )
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  #10  
Old 03-21-2013, 06:44 PM
Mbbrewer Mbbrewer is offline
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What kind of mufflers are these modified from?
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  #11  
Old 03-21-2013, 06:49 PM
wifeofkcustom wifeofkcustom is offline
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Mein Auto: 2012 X5 35 ix
They are going to look and sound awesome.....
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  #12  
Old 03-21-2013, 06:58 PM
Kcustom Kcustom is offline
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Originally Posted by wifeofkcustom View Post
They are going to look and sound awesome.....
Hope so sweetie
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  #13  
Old 03-21-2013, 07:51 PM
jjsC6 jjsC6 is online now
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Hope so sweetie
Dude, your WIFE is on the forum??? How are you supposed to lie about how much you spend on the car with her here? You've broken the man-code

BTW, hi "Sweetie". That happens to be my pet name for my wife also.

I should also point out that my last boat had twin 500 hp, 502 cubic inch engines with four inch "dry" exhaust. My wife loved them!
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Last edited by jjsC6; 03-21-2013 at 07:52 PM.
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  #14  
Old 03-21-2013, 08:05 PM
wifeofkcustom wifeofkcustom is offline
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Lol I'm not on here.....this is where I find my husband when he is traveling
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  #15  
Old 03-21-2013, 06:56 PM
Kcustom Kcustom is offline
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40 Series delta flow, 13 x 9.75 x 4 with 3 inch inlet and dual 2.5 inch outlets...... inlet angle changed to 45 degrees while reducing stage one chamber 33 percent. Estimated flow rate increase of 10% over stock.
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2007 335i
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  #16  
Old 03-21-2013, 08:38 PM
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Die Wolfe Die Wolfe is offline
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Quote:
Originally Posted by Kcustom View Post
40 Series delta flow, 13 x 9.75 x 4 with 3 inch inlet and dual 2.5 inch outlets...... inlet angle changed to 45 degrees while reducing stage one chamber 33 percent. Estimated flow rate increase of 10% over stock.
Delta flow as in Flowmasters?! I never heard of these on BMWs...I'm curious to see/hear hear the results!!!
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  #17  
Old 03-21-2013, 10:20 PM
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K-A K-A is offline
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Originally Posted by Die Wolfe View Post
Delta flow as in Flowmasters?! I never heard of these on BMWs...I'm curious to see/hear hear the results!!!
Was thinking the exact same thing. So can you get Flowmasters for a 535i as well? Very curious as to the sound on any BMW.
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  #18  
Old 03-21-2013, 10:28 PM
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Die Wolfe Die Wolfe is offline
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Originally Posted by K-A View Post
Was thinking the exact same thing. So can you get Flowmasters for a 535i as well? Very curious as to the sound on any BMW.
They're both dual exhaust (535 and 550), so I would imagine so. I've just never heard of this American brand being popular on BMWs. I'm curious as to the actual gains and sound. We'll see!
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  #19  
Old 03-21-2013, 11:21 PM
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CyclePimps CyclePimps is offline
Ride On!
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Originally Posted by wifeofkcustom View Post
Lol I'm not on here.....this is where I find my husband when he is traveling
This is just too cute.

Glad my wife doesn't take an interest in my hobbies. $$$

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  #20  
Old 03-23-2013, 09:49 AM
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BigDeep1 BigDeep1 is offline
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Update?
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  #21  
Old 03-23-2013, 11:06 AM
Kcustom Kcustom is offline
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She is in the shop as i type... pics and sound clip latter on today. : )
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2009 535i
2007 335i
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  #22  
Old 03-23-2013, 11:25 AM
Kcustom Kcustom is offline
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Pass side done....

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2007 335i
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  #23  
Old 03-23-2013, 02:16 PM
Kcustom Kcustom is offline
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On and done... huge improvement.... droans a little at 1500 rpm but good at idle. 1900 to 2200 (crusing rpm) is fine. A little louder but that is what I was lookinf for. Full throttle is amazing......
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  #24  
Old 03-23-2013, 02:20 PM
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ausdude ausdude is offline
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Quote:
Originally Posted by Kcustom View Post
On and done... huge improvement.... droans a little at 1500 rpm but good at idle. 1900 to 2200 (crusing rpm) is fine. A little louder but that is what I was lookinf for. Full throttle is amazing......
We can't wait to hear the beast!
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2013 550i M-Sport|300|LCSW|4MR|2TB|704|760|2ND (powder coated)|PDC|ZEC|6F2|ZDA|5AD|416|494|Dinan Stage 2|CF Rear Spoiler|CF Mirror Caps|CF Splitter|M Performance Diffuser| Front Reflector Delete|Black Grilles|Rear Font Lights|Euro Side Mirror Glass|Coded
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  #25  
Old 03-23-2013, 03:06 PM
Kcustom Kcustom is offline
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Originally Posted by ausdude View Post
We can't wait to hear the beast!
How do I post a video clip?
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