03-10-2024, 04:13 PM | #1 |
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RK Autowerks Secondary Cat Delete Only?
I’m struggling with what exhaust setup I want and have been debating between the AA equal length Mid-Pipe and the Remus Race exhaust. With the Remus I will need to delete the secondary cats separately so I am thinking of getting the RK Autowerks Secondary Cat Delete first before the Remus. Has anyone gone with this setup and have any feedback?
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03-10-2024, 05:05 PM | #2 |
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Don't spend that much money on those pipes, get this instead https://www.aliexpress.com/item/1005006151818880.html
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03-10-2024, 05:58 PM | #3 | |
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03-11-2024, 10:47 AM | #4 |
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I recommend you get the single midpipe Instead, it pairs well with the REMUS.
If you want a louder sound, the secondary cat delete achieves that, but if you keep the dual midpipe design, the sound is not necessarily an upgrade over stock, just louder.
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03-11-2024, 11:20 AM | #5 |
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LOL at ordering anything from aliexpress.
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03-11-2024, 11:47 AM | #6 |
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You'd be surprised how many vendors sell identical stuff from alibaba/express. Since the car is sold there too they make their own parts due to cheaper material/labor, a lot of vendors simply import stuff from there rather than making it in house.
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03-11-2024, 12:28 PM | #7 |
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Op,
Go with our midpipe its proven to be a quality piece with excellent fitment and great sound. https://mad-us.com/mad-bmw-g8x-m3-m4...race-included/
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03-11-2024, 12:30 PM | #8 | |
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03-11-2024, 01:06 PM | #9 |
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I did wonder why they had gaskets on the flanges, maybe that's why
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03-12-2024, 08:45 PM | #11 |
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I came across these from Remus for significantly less but they don’t appear to utilize the clamps like the RK ones do.
https://r44performance.com/products/...placement-tube |
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03-12-2024, 09:26 PM | #12 |
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Interesting. I thought the equal length was supposed to be the better sounding overall. Are there any videos of the combined setup?
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03-13-2024, 11:20 AM | #13 | |
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The single midpipe offers the cleanest, rasp-free sound. The equal length takes the benefit of the single and adds a deeper midrange tone and a more aggressive RPM sound. When doing so, the sound is not as clean as the single; it also has a slight rasp (it's still a million times cleaner than the X-pipe sound). Some people want the cleanest sound, while others like the "best of both worlds" approach that the equal length offers.
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03-13-2024, 11:22 PM | #14 | |
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03-14-2024, 10:33 AM | #15 | |
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04-02-2024, 10:36 AM | #17 | |
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There seem to be limited options for mid pipes that primarily do this. Are there any single mid pipes that only remove the resonators? I haven’t seen any - I’m guessing when you leave the secondary cats in it’s such a short section that having just a short single pipe doesn’t produce as deep sound. any other thoughts on options to consider leaving in secondary cats? |
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04-02-2024, 01:46 PM | #18 | |
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04-02-2024, 06:04 PM | #19 |
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04-03-2024, 10:34 AM | #20 |
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04-16-2024, 06:12 AM | #21 |
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x-ph folk any idea?
AWE Non-Resonated Performance Mid Pipe - BMW G8X M3/M4 Base & Competition (RWD & xDrive) ? Compatible with AWE Exhausts only! ? EDIT - I seen the video. Nevermind. https://g80.bimmerpost.com/forums/sh....php?t=1980539
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04-16-2024, 10:22 AM | #22 | |
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it does not replace the secondary cats, so the sound increase is less than the other options, and you still need to cut your exhaust to install it.
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