12-05-2017, 12:32 AM | #1 |
First Lieutenant
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Synapse NoDrone Resonator
Featured on BIMMERPOST.com seems like a straight forward product which may help with some lower quality exhausts... I just picked up a Top Speed Pro1 Catback for what i believe is a cheap deal ($550 shipped, brand new)... but my concern is how it may drone.. I hope the exhaust system will be decent. but if it drones. ill probably give this a NoDrone a Try. http://synapseengineering.com/products/nodrone.html
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2008 E90 M3 6-Speed - Sold
2013 F30 335i MSport 6-Speed - Current |
12-05-2017, 02:40 PM | #2 |
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It's literally just a J pipe
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13' 335i M Sport. EBII/Coral Red 6MT. RPI GT exhaust, Resonator delete, PS1, GFB DV , BM3 Stage 2, ER CP, VRSF DP, VRSF 5.5in Stepped FMIC, Dinan Shockware. Carbon M Performance rear diffuser. M4 trunk lip. Conti DWS06 225/40/19 and 255/35/19
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12-05-2017, 03:52 PM | #4 |
Second Lieutenant
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I tried a J-pipe(2.5 feet) and it slightly helped. This was also with two Vibrant resonators in the back. But I think you have to have the length perfect to cancel the frequency out.
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