05-01-2017, 09:28 PM | #23 |
F10 1/4 WR: 9.9s / 142.5mph 1/2 WR: 175.5mph
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Exhaust is 3" so 2" is fine for the resonators...
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05-01-2017, 09:29 PM | #24 |
F10 1/4 WR: 9.9s / 142.5mph 1/2 WR: 175.5mph
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05-02-2017, 07:10 AM | #25 |
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Ha, the old muffler delete/turner exhaust drone problem, been there done that and my wife refused to go i the car as well lol. Went to properly designed Ti system and have zero drone now.
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05-02-2017, 08:31 AM | #26 |
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Ive just got used to the drone now, i have no cats, resonators, or mufflers left and a hand made extended X pipe, and it sounds incredible. I installed heavy duty Dynomat in the trunk which helped a lot
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05-02-2017, 08:41 AM | #27 |
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Yes, Helmholtz have been around for a while and do work. That is certainly a good option if you like the sound of your current set up. You can also replace stock front resonators with thicker ones for the drone but they will reduce the volume and change the tone.
I would recommend Eisenmann Sport + Catless. I can't get enough of that exhaust note! I take the long way home every chance I get and find tunnels to go through for a quick 4k rpm pull. Best part: NO DRONE even with the valves open. E-sport will cost more than the custom jobs, but they make up for it in fit, finish, sound, and quality. Since you've already got the tips and muffler set up, Eisenmann may no longer be an option unless you can sell your set up. Either way, you have to get rid of the drone...I had muffler deletes and the drone got to me. With my current set up, I am 100% happy with my decision, it is a beautiful sound evilb can attest to the quality of eisenmann! |
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05-02-2017, 11:35 AM | #28 | |
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10-26-2017, 04:20 PM | #29 | |
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01-29-2018, 10:16 AM | #30 |
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I have drone from 1100RPM to 2000RPM.....what length Helmholtz pipe have you all used and how are the results?
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01-30-2018, 09:30 AM | #31 | |
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Quote:
http://synapseengineering.com/products/nodrone.html
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2019 F90 M5 Competition - Marina bay Blue Pearl - Executive and Bowers & Wilkins package
Gone:2013 F10 M5-DCT-Montecarlo Pearl Blue-BBMR 800 Stage 1 system 700whp+(93oct) 2004 Lamborghini Gallardo-Manual-Giallo Midas Pearl Yellow-Modified 2018 Range Rover Velar S-White |
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01-30-2018, 03:47 PM | #32 | |
F10 1/4 WR: 9.9s / 142.5mph 1/2 WR: 175.5mph
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http://f10.m5post.com/forums/showpos...3&postcount=15 |
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01-30-2018, 04:55 PM | #33 | |
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2019 F90 M5 Competition - Marina bay Blue Pearl - Executive and Bowers & Wilkins package
Gone:2013 F10 M5-DCT-Montecarlo Pearl Blue-BBMR 800 Stage 1 system 700whp+(93oct) 2004 Lamborghini Gallardo-Manual-Giallo Midas Pearl Yellow-Modified 2018 Range Rover Velar S-White |
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02-07-2018, 11:59 AM | #36 |
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04-23-2018, 01:27 PM | #37 | |
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06-17-2020, 05:44 AM | #38 |
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Can anyone confirm these eliminate drone on the m5 if straight piped???
Ive booked to get some made but would like some feedback before i spend the money Also the capped length tube calculation does that include the bend also??? Or just the straight section |
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06-18-2020, 04:50 AM | #39 |
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Just a quick suggestion, would an uprated x section help with cancelling out the drone.
The Porsche flat 6 drone is usually caused by the 2 banks of the engine having entirely seperate exhausts, joining them with an X peice cancels the drone.
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06-21-2020, 12:18 AM | #41 |
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Well doesnt seem like anyone has talked about this j pipe and eliminating the drone
Im getting a shop next week to make a 2inch stainless j pipe and we will trial different lengths Only drones at 1500-2000rpm as its full rpi gtm straight pipe and catless That little bit of drone really spoils when driving around town |
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06-21-2020, 03:30 AM | #42 | |
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07-08-2020, 04:35 AM | #43 |
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Ive had a set made and fitted as per previous pics
Drone is now basically gone However exhaust sounds a little quieter inside the car It may be in fact still as loud outside im not sure Fabricator hates me! He did beautiful work So now im catless with rpi gtm full straight pipe exhaust and also drone free hahaha The length of j pipe is 32 inches I wanted 35 but he said we ran outta room |
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