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BMW 3-Series (E90 E92) Forum
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Modify OEM exhaust to sound like PE exhaust
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05-09-2018, 03:43 PM | #1829 |
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05-10-2018, 07:37 AM | #1830 | ||
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Drives: 2007 Black/Black 335i e90
Join Date: Apr 2011
Location: Holly, MI
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05-10-2018, 08:27 AM | #1831 | |
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https://www.ecstuning.com/b-genuine-...All%20Products |
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05-10-2018, 10:33 AM | #1832 | ||
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Drives: 2007 Black/Black 335i e90
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Also, the performance muffler will only add 5hp at best. It's more for sound to be honest. |
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Julian2485112.50 |
05-10-2018, 07:54 PM | #1833 |
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I got PE exhaust mod with catless dps if anyone wants to hear. Took out resonator for x pipe, work done to muffler, and took a quarter of the packing out from each side. Here's a cold start, shot on iPhone, so quality isn't the best.
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05-10-2018, 09:33 PM | #1834 |
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What's that Red thing flying around on the floor lol. Your exhaust sounds good though
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05-11-2018, 12:26 AM | #1835 | ||
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06-27-2018, 12:45 AM | #1836 |
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Need to help here about the PE mod. I have a 2011 335i E90 M Sport (N55). I'd like to do the PE mod eventually, but do I need an X-pipe to replace the resonator? I've read other threads, but still need some clarification on what exactly is cut out and replaced for an exhaust on my model/year.
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06-27-2018, 09:02 AM | #1837 | |
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Drives: 2007 Black/Black 335i e90
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If you get an X-pipe, make sure you get a SS one. Magnaflow 10791 will work. It needs to be bigger in diameter than the OEM exhaust. 2.25" will not work; it is smaller than OEM diameter. OEM diameter is something like 2.38. If you get an x-pipe, your exhaust will be louder and you will get more drone because you got rid of the resonator. The only way to get the drone out is to do a secondary cat delete and put high flow resonators in their place. Vibrant 1792 High Flow resonators are what most people on this forum use. If your going to put the car up on a lift and have it worked on, get both done at the same time. You won't regret it. |
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06-27-2018, 03:07 PM | #1838 | |
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06-27-2018, 04:29 PM | #1839 | |
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Don't E90 sedans have H-pipes or am I wrong? I believe we also have a secondary cat, if I remove that will it be much louder/have drone? Also, does doing the PE mod cause you to not pass smog? I'm in California, so it's pretty strict here. I would assume no because I still have my catback, but want to make sure.
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06-27-2018, 10:18 PM | #1840 | ||
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N54 sedans have cats, secondary cats, resonator & two mufflers, in that order. I propose : cats, 1792 vibrant resonators, x-pipe, two mufflers. |
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07-05-2018, 10:45 AM | #1841 |
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Drives: Bmw 335i n55 e93
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where can I find the PE for my 2011 bmw e93 335 n55
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07-06-2018, 04:58 PM | #1842 |
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07-07-2018, 01:53 AM | #1843 | |
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07-07-2018, 05:44 AM | #1844 | ||
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Choices - $1000 new $750.00 used $800.00 for 335is mufflers new Drivers Side - 18307604830 Passenger Side - 18307604831 $400-500 for used 335is mufflers Note - 335is mufflers are essentially the BMW performance mufflers except that they have black tips, and an actuator on the outside of the drivers side muffler that control's the flap (exactly like standard mufflers). BMW performance mufflers DO NOT have a flap and thus no actuator on the outside of the drivers side muffler. They have silver tips as well. Pretty easy DIY, if you have good/great measuring skills & a sawzall with a carbon tipped, metal blade (Diablo makes the best). |
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09-27-2018, 06:00 PM | #1847 |
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Not crucial. Unless you live in very wet area. A regular steel pipe will last for years.
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09-30-2018, 11:08 AM | #1848 |
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I ended up doing the PE Mod yesterday and it seems like the car got quieter at higher RPMs. Any human errors in process that may have caused the exhaust to become quiet. Like bad bypass pipe welds, clamp leaks, type of pipe, vacuum hose or having the exhaust flap actuator cable disconnected? Thanks
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