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Billy Boat Exhaust

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Old 08-15-2006, 11:32 AM
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My Ride: 2007 530i, White exterior, Tan leather,Premium Package, Cold Weather Package, Artec Alpina 18" Wheels, Bluetooth, Billy Boat Tri Flow Exhaust, ACS Front Spoiler from Factor One Garage Previous Cars 2003 X5 4.4 Dinan Exhaust, Chip, Transmission, 4.6 wheels 2004 545i 2003 Mercedes Benz E500 - junk 2002 330Ci Dinan Chip, Throttle Body, Cold Air, Sagitta Wheels 1999 528i Dinan Chip
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I just installed a Billy Boat Tri-Flow exhaust on my 2007 530. The sound is great when you get on it and get up to 70. However, the sound on the low end 1500-2200 rpm, when you really pull, is too loud. It almost seems like there is a vibration. Today is the first time with a passenger in the back seat and he said it was pretty loud. Oh yeah, he owns a Harley. Is that common with this exhaust?
Old 08-15-2006, 12:32 PM
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Originally Posted by CMINOR' post='322892' date='Aug 15 2006, 12:32 PM
I just installed a Billy Boat Tri-Flow exhaust on my 2007 530. The sound is great when you get on it and get up to 70. However, the sound on the low end 1500-2200 rpm, when you really pull, is too loud. It almost seems like there is a vibration. Today is the first time with a passenger in the back seat and he said it was pretty loud. Oh yeah, he owns a Harley. Is that common with this exhaust?
The only way to control the resonance in that range with a B&B is to be in lower gear than you might like to be in given the speed you are going.
Old 08-15-2006, 12:57 PM
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My Ride: 2007 530i, White exterior, Tan leather,Premium Package, Cold Weather Package, Artec Alpina 18" Wheels, Bluetooth, Billy Boat Tri Flow Exhaust, ACS Front Spoiler from Factor One Garage Previous Cars 2003 X5 4.4 Dinan Exhaust, Chip, Transmission, 4.6 wheels 2004 545i 2003 Mercedes Benz E500 - junk 2002 330Ci Dinan Chip, Throttle Body, Cold Air, Sagitta Wheels 1999 528i Dinan Chip
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Thank you. I am going to swap it out for a Remus. I heard the Remus is considerably more quiet.
Old 08-15-2006, 01:32 PM
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Originally Posted by CMINOR' post='322892' date='Aug 15 2006, 12:32 PM
I just installed a Billy Boat Tri-Flow exhaust on my 2007 530. The sound is great when you get on it and get up to 70. However, the sound on the low end 1500-2200 rpm, when you really pull, is too loud. It almost seems like there is a vibration. Today is the first time with a passenger in the back seat and he said it was pretty loud. Oh yeah, he owns a Harley. Is that common with this exhaust?

That is EXACTLY the reason why I removed my B&B from my 545i. See this post----->Click Here

If you get the Remus let me know if it has any of that resonant frequency noise and vibration in that RPM range. I would be very interested in your opinion because you have experienced the B&B noise/vibration in person and would know if the Remus also has it or not, whereas someone who has only had the Remus on their car may not know what we are talking about.........Let us know.
Old 08-15-2006, 01:50 PM
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My Ride: 2007 530i, White exterior, Tan leather,Premium Package, Cold Weather Package, Artec Alpina 18" Wheels, Bluetooth, Billy Boat Tri Flow Exhaust, ACS Front Spoiler from Factor One Garage Previous Cars 2003 X5 4.4 Dinan Exhaust, Chip, Transmission, 4.6 wheels 2004 545i 2003 Mercedes Benz E500 - junk 2002 330Ci Dinan Chip, Throttle Body, Cold Air, Sagitta Wheels 1999 528i Dinan Chip
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I sure will. I bought the exhaust from Bavarian Autosport. They will only charge a nominal restocking fee. I thought that was reasonable. The Remus is on back order until September.
Old 08-15-2006, 02:03 PM
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I have never touted my Remus that highly, but that doesn't mean that I am in any way dissatisfied with the sound. It has never bothered my wife and that's saying a lot. When I step down on it as I did once today, it speaks loud enough wo wiping out the rest of traffic or calling the cops.
Old 08-15-2006, 02:27 PM
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Originally Posted by rodybmw' post='322947' date='Aug 15 2006, 02:32 PM
That is EXACTLY the reason why I removed my B&B from my 545i. See this post----->Click Here

If you get the Remus let me know if ....
Me too I'd love to get another exhaust if I could find one that makes decent sound and has essentially zero resonance.
Old 08-15-2006, 02:54 PM
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I have come to the conclusion that to me the exhaust tone is much, much more important than the volume of the sound. If it had the right tone but was only slightly louder than stock then it would be ideal for me......and yes no resonance please.
Old 08-15-2006, 04:31 PM
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I totally agree. The B&B was a little loud for a "luxury cruiser."
Old 08-15-2006, 09:12 PM
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Originally Posted by rodybmw' post='322947' date='Aug 15 2006, 05:32 PM
If you get the Remus let me know if it has any of that resonant frequency noise and vibration in that RPM range. I would be very interested in your opinion because you have experienced the B&B noise/vibration in person and would know if the Remus also has it or not, whereas someone who has only had the Remus on their car may not know what we are talking about.........Let us know.
i've been a passenger in a 530 and 545 with the b&b. from what i remember, they did seem to resonate/vibrate a bit at low revs, whereas the remus doesn't.


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