10-08-2019, 06:21 AM | #1 |
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Looking to just add a bit more "aggression" in both sound and hp
Hi guys,
I'm looking to add something to my 2017 M2 to produce a more "aggressive" sound. Would a Dinan resonator delete be enough to add character to the car while maybe adding a couple hp? Or would I be better off going all out and doing a Fabspeed Sport cat + resonator delete? or MPE+ Resonator delete?
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10-08-2019, 07:26 AM | #2 |
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The resonator delete isn't going to give you any HP. Your best bet for a bit more sound and more hp without any issues is the Fabspeed catted down-pipe. You can regularly find them on the boards used for about $700.
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10-08-2019, 07:52 AM | #3 |
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I put mine on last weekend. My exhaust is stock otherwise and the new cat gives just the right amount of volume to the stock set up. I wouldn't want it any louder. Of course I'm not 20 either.
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10-08-2019, 07:53 AM | #4 |
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Thank you for that! I was going to ask if a downpipe would also be another route to go. The catted one shouldn't throw any CEL's right? Even though I do have a tune.
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10-08-2019, 07:55 AM | #5 |
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10-08-2019, 07:57 AM | #6 |
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Yeah I understand. After having quite a loud set up on my E92, I'm looking to be more civil nowadays. Do you think a dinan resonator delete + Fabspeed Sport cat is too much?
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10-08-2019, 08:29 AM | #7 |
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Some people post that there's no drone with the resonator delete but I don't see how that's possible. By design it's job is to stop resonance (it's a resonator). Deleting it also gives you zero performance gains. I could never understand why some people go that rout but understand that I may be in the minority.
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10-08-2019, 08:45 AM | #8 | |
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10-08-2019, 08:57 AM | #9 |
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Good plan. I would purchase the lower clamp as well. Some people reuse it but it has an integral gasket. I didn't want to take a chance on a leak so I replaced mine. It's also much easier to install the cat with a new clamp as opposed to reusing the old one, at least for me it was.
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10-08-2019, 08:59 AM | #11 | |
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10-08-2019, 09:06 AM | #12 |
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Factory lower clamp/gasket assembly. I don't think Fabspeed offers it. The upper one is a fiber type o-ring that fits in a groove. It should be fine. I bought one just in case but after seeing it and how it's made, I reused the old upper gasket.
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10-08-2019, 10:14 AM | #13 | |
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10-08-2019, 03:15 PM | #14 | |
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And if you are going the flash tune route, a lot of guys will get a cat-less DP instead of catted because even though the flow of the catted is over 90% that of a cat-less, the volume is only about 50%. I would say that the catted sounds better IMO, it's warmer for sure. The catted DP has a much brighter sound overall. So it really just depends on if you're getting a flash tune, and if you care about a bit of exhaust smell at stoplights when you have the windows down. I also agree with cecaa850 with regards to the resonator delete. Resonators don't improve the sound outside the car, they are designed to limit sound INSIDE the car. Bad idea IMO. |
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10-08-2019, 04:28 PM | #15 |
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I went the fabspeed sport cat route as its the cheapest option vs full exhaust. And I am more than happy with it. I purchased it used with 4000 miles on it. The only annoyance is cold start can be pretty loud. I have friends who have the m performance exhaust and they enjoy it.
Sound by drive mode for sportcat: Comfort - barely noticeable over stock, windows up is pretty quiet Traction, Sport, Sport + - burbles louder, occasional backfire, great inline six sound from 2.5rpm to redline, occasional turbo whistle Mad respect for the 997.1 turbo and the e92 m3. |
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10-08-2019, 04:47 PM | #16 | |
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10-09-2019, 10:45 AM | #17 |
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I skipped the e92 m3, hopping to pick one up in the future!
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