Fox quads with resonator tips
05-12-2008, 08:48 AM
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Recently installed the Fox quads with ACS rear diffuser. Noticed it came with resonator tips, decided to have them removed (the resonator i.e) coz made the tips look bulky (leaving just empty tips). Love the deep throaty sound it produces. But noticed some droning at idle and around 1,500 to 2,000 rpm. Have 2 questions for you guys,
1. Does the removed resonator in the tips help eliminate drone?
2. If NO, then what should I do to get rid of the dreaded drone?
Thanks in advance guys for your help
1. Does the removed resonator in the tips help eliminate drone?
2. If NO, then what should I do to get rid of the dreaded drone?
Thanks in advance guys for your help
05-12-2008, 09:13 AM
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My Ride: 2007 E63 AMG | Obsidian Black | Schwarzes Nappa | Black BirdEye Maple | Premium II Package | Electronic Trunk Closer | Parktronic
Engine: RPi/Powerchips custom ECU tune, RPi Ram Air Kit (BMC filter, scoops), RennTech Sport exhaust, secondary cats, charcoal and resonator delete, custom AAA x-pipe
Exterior: 50% side windows / 35% rear window Formula One Pinnacle Series | Flat AMG hood emblem
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Wheels/Tires: Radenergie R10, Falken FK452 245/30/20, Yokohama ADVAN Sport 285/25/20
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2005 545i Sport SMG | Ti Grau | Schwarzes Dakota | Anthracite Maple | Logic 7 | Nav
Engine: Custom AFE CAI, Superchips ECU remap, Sprint Booster, RDSport Dual Exhaust Conversion with Quad Pipes and X-pipe, 3 resonators deleted, 90mm tips!
Exterior: M-Tech Aero kit | M5 Mirrors | M5 Rear Bumper | Trunk Lid Finisher | Vorsteiner decklid spoiler | 50% Formula One Pinnacle Tint
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ED Date: 4/7/05, Re-delivery date: 5/21/05
The resonated tips helps with eliminating the drone.
05-12-2008, 10:29 AM
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Originally Posted by vegastrashed' post='578781' date='May 13 2008, 01:13 AM
The resonated tips helps with eliminating the drone.
. Took alot of work to get them out due to the tight welding. Ahhh you win some, you lose some. Any other way (don't think I'll be able to put them back in, junked them right afterwards) to rid of the problem?
05-12-2008, 10:33 AM
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Originally Posted by bteljuice1' post='578791' date='May 13 2008, 01:34 AM
hey JB, can u post pics and sound clips? thx 
05-12-2008, 10:55 AM
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My Ride: 2007 E63 AMG | Obsidian Black | Schwarzes Nappa | Black BirdEye Maple | Premium II Package | Electronic Trunk Closer | Parktronic
Engine: RPi/Powerchips custom ECU tune, RPi Ram Air Kit (BMC filter, scoops), RennTech Sport exhaust, secondary cats, charcoal and resonator delete, custom AAA x-pipe
Exterior: 50% side windows / 35% rear window Formula One Pinnacle Series | Flat AMG hood emblem
Suspension: Renntech Lowering Module
Wheels/Tires: Radenergie R10, Falken FK452 245/30/20, Yokohama ADVAN Sport 285/25/20
-----------------------------------------
2005 545i Sport SMG | Ti Grau | Schwarzes Dakota | Anthracite Maple | Logic 7 | Nav
Engine: Custom AFE CAI, Superchips ECU remap, Sprint Booster, RDSport Dual Exhaust Conversion with Quad Pipes and X-pipe, 3 resonators deleted, 90mm tips!
Exterior: M-Tech Aero kit | M5 Mirrors | M5 Rear Bumper | Trunk Lid Finisher | Vorsteiner decklid spoiler | 50% Formula One Pinnacle Tint
Suspension and Brakes: Bilstein PSS9 coilovers, JBT BBK: 16" cross-drilled rotors, 8 piston and 15" cross-drilled rotors, 4 piston
Wheels: VIP Modular VR 02 20x9F, 20x10R | Toyo T1R 245/30/20F, 285/25/20R
Lights: PIAA 4150K Xtreme White Plus fog lights, AIB v3
MOST IMPORTANT: Hardwired V1; =)
ED Date: 4/7/05, Re-delivery date: 5/21/05
There are a few experts here, hopefully one will chime in specifically Bimmer32. He's your drone expert.
05-12-2008, 11:16 AM
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Retired Rides - 1989 325i convertible, 1995 M3, 2002 X5, 2005 545i, 2008 X5 (Lemon)
Originally Posted by jbsapphire' post='578760' date='May 12 2008, 09:48 AM
Recently installed the Fox quads with ACS rear diffuser. Noticed it came with resonator tips, decided to have them removed (the resonator i.e) coz made the tips look bulky (leaving just empty tips). Love the deep throaty sound it produces. But noticed some droning at idle and around 1,500 to 2,000 rpm. Have 2 questions for you guys,
1. Does the removed resonator in the tips help eliminate drone?
2. If NO, then what should I do to get rid of the dreaded drone?
Thanks in advance guys for your help
1. Does the removed resonator in the tips help eliminate drone?
2. If NO, then what should I do to get rid of the dreaded drone?
Thanks in advance guys for your help
05-12-2008, 12:29 PM
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My Ride: 2005 BMW 545i, Silver Grey, Sport Package, R. Shades, Cold Pkg, Sat. Rad., Prem. Sound.
Originally Posted by flyingpuck' post='578865' date='May 12 2008, 02:16 PM
That drone you speak of at 1500-2000 rpms is common....I'm still trying to work it out of my Billy Boat muffler myself!
05-12-2008, 01:01 PM
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Originally Posted by jbsapphire' post='578831' date='May 12 2008, 02:33 PM
No problemo, will do as soon as I get back in a couple of days. Am currently away on business.
appreciate it
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