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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications 535i Custom Exhaust Cold Start (M5 Muffler, X-Pipe, J-Pipes)
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      04-10-2017, 10:32 PM   #23
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VRSF
Catless and you passed emissions?!?!!? NICE!!!

What did you do to prevent a CEL??
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      04-11-2017, 04:06 AM   #24
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Originally Posted by ezaircon4jc View Post
Quote:
Originally Posted by Bmw doubles View Post
VRSF
Catless and you passed emissions?!?!!? NICE!!!

What did you do to prevent a CEL??
Used the MP tune. Resets in 20 seconds to the ready state even after resetting codes via iCarly app.
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      04-11-2017, 12:13 PM   #25
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Originally Posted by Bmw doubles View Post
Used the MP tune. Resets in 20 seconds to the ready state even after resetting codes via iCarly app.
Do they plug into my OBD2 when running smog? If so, then my JB4 won't be able to delete the CEL once the VRSF DP is on...
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      04-11-2017, 04:14 PM   #26
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Quote:
Originally Posted by AMTF10 View Post
Quote:
Originally Posted by Bmw doubles View Post
Used the MP tune. Resets in 20 seconds to the ready state even after resetting codes via iCarly app.
Do they plug into my OBD2 when running smog? If so, then my JB4 won't be able to delete the CEL once the VRSF DP is on...
The smog consists of plugging into the obd. I don't think JB4 can help you there but I'm not 100 on that. My flash tune goes beyond setting my ecu to the ready state. MissionPerformance can explain in detail. How's the drone if any at all with the j pipes. Should be quite at freeway cruising speeds
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      04-11-2017, 04:19 PM   #27
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Quote:
Originally Posted by Bmw doubles View Post
Quote:
Originally Posted by AMTF10 View Post
Quote:
Originally Posted by Bmw doubles View Post
Used the MP tune. Resets in 20 seconds to the ready state even after resetting codes via iCarly app.
Do they plug into my OBD2 when running smog? If so, then my JB4 won't be able to delete the CEL once the VRSF DP is on...
The smog consists of plugging into the obd. I don't think JB4 can help you there but I'm not 100 on that. My flash tune goes beyond setting my ecu to the ready state. MissionPerformance can explain in detail. How's the drone if any at all with the j pipes. Should be quite at freeway cruising speeds
There's no drone at all. Did a trip with my girl to SD and back and there wasn't a peep from the cabin.
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      04-11-2017, 04:43 PM   #28
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Quote:
Originally Posted by AMTF10 View Post
Quote:
Originally Posted by Bmw doubles View Post
Quote:
Originally Posted by AMTF10 View Post
Quote:
Originally Posted by Bmw doubles View Post
Used the MP tune. Resets in 20 seconds to the ready state even after resetting codes via iCarly app.
Do they plug into my OBD2 when running smog? If so, then my JB4 won't be able to delete the CEL once the VRSF DP is on...
The smog consists of plugging into the obd. I don't think JB4 can help you there but I'm not 100 on that. My flash tune goes beyond setting my ecu to the ready state. MissionPerformance can explain in detail. How's the drone if any at all with the j pipes. Should be quite at freeway cruising speeds
There's no drone at all. Did a trip with my girl to SD and back and there wasn't a peep from the cabin.
Affordable exhaust with quality sound. Congrats homie. What was the final cost?
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      04-11-2017, 04:57 PM   #29
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Affordable exhaust with quality sound. Congrats homie. What was the final cost?
Thanks man.

$400 for the piping (from the res back), x pipe, j pipe, and adjusting the exhaust tips so they come out straight. I still think I have an exhaust leak somewhere cause I get a high pitched whistling sound upon 5k+ RPMs on WOT. Trying to figure out how to identify where it's coming from.
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      04-15-2017, 01:59 PM   #30
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AMTF10 just got back from Mikes Performance! Switched out from the crusty stock chrome tips to all black since the carbon build up is destine. Also found were rocking 2.5ish piping from the collector back. He quoted me 250 for 3" all the way back. New adventure coming up.
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      04-15-2017, 02:00 PM   #31
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Juan FTW
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      04-15-2017, 07:27 PM   #32
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Juan FTW
Going 3" all the way back...how much of an improvement is that gonna be bro?
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      04-15-2017, 07:54 PM   #33
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Quote:
Originally Posted by lsturbointeg View Post
Quote:
Originally Posted by Bmw doubles View Post
Juan FTW
Going 3" all the way back...how much of an improvement is that gonna be bro?
I'm no Supra, but check the results on this article

http://www.superstreetonline.com/how...ust-test-tech/

There's also a general explanation on this site that goes over the math of back pressure and turbo exhaust configurations

http://www.tercelreference.com/terce...st_theory.html

In the article above I learned more about scavenging and how an x pipe is not actually needed on turbo cars. If the xpipe is used to tone down the sound then just go with J Pipes.

I'm gonna my to dyno right after I get bigger exhaust piping and I'll let ya know

I'm going 3.5" collector inlet to dual 3" outlets, resonator delete and keeping my J Pipes.
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      04-16-2017, 12:54 PM   #34
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Juan FTW
Looks good man! Wow, they quoted you a good price. I would do it
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      04-16-2017, 01:57 PM   #35
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Quote:
Originally Posted by AMTF10 View Post
Quote:
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Juan FTW
Looks good man! Wow, they quoted you a good price. I would do it
Its going down soon. I'll post dyno with 3" pipes soon.
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      04-16-2017, 01:59 PM   #36
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Quote:
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Quote:
Originally Posted by AMTF10 View Post
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Juan FTW
Looks good man! Wow, they quoted you a good price. I would do it
Its going down soon. I'll post dyno with 3" pipes soon.
Very very sharp
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      02-01-2019, 05:30 PM   #37
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what modification is needed to the rear hanger closest to bumper for proper fitment on the stock m5 diffuser? I'm currently trying to do the same and when i put my m5 mufflers up its so close to the outer part of the bumper. looks weird !
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      02-01-2019, 06:45 PM   #38
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what modification is needed to the rear hanger closest to bumper for proper fitment on the stock m5 diffuser? I'm currently trying to do the same and when i put my m5 mufflers up its so close to the outer part of the bumper. looks weird !
Shouldnt be any. I didnt have to modify any part of the diffuser or hangers to get my m5 mufflers and diffuser on.
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      02-01-2019, 08:36 PM   #39
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Its going down soon. I'll post dyno with 3" pipes soon.
bro, are you still around?
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      02-02-2019, 11:08 AM   #40
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Quote:
Originally Posted by lsturbointeg View Post
Quote:
Originally Posted by Bmw doubles View Post
Its going down soon. I'll post dyno with 3" pipes soon.
bro, are you still around?
Always. I'm like IT. Check under your bed and local sewer tunnels.
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      02-02-2019, 03:29 PM   #41
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Shouldnt be any. I didnt have to modify any part of the diffuser or hangers to get my m5 mufflers and diffuser on.
i must be doing something wrong then. did your mufflers fit nicely into the diffuser? can you post a pic?
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      02-08-2019, 03:07 PM   #42
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i must be doing something wrong then. did your mufflers fit nicely into the diffuser? can you post a pic?
They fit just fine and needed no adjustments
I have no pictures on me but you can view a few on my IG
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      02-14-2019, 01:45 PM   #43
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Quick question what is the pipe size on the 535? I think it is 2.5" is that correct?
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      06-13-2019, 01:55 AM   #44
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Quick question what is the pipe size on the 535? I think it is 2.5" is that correct?
No it's like 2.36 each
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