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10-21-2014, 11:52 AM | #1 |
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RPI Volume
Hey Everybody,
So, I was looking at the RPI silencers thread and noticed that most if not all of the drivers complaining about the volume of the RPIs are roadster drivers. I'm considering getting these but have been concerned about the drone in the cabin. I drive a coupe, so are any of the coupe drivers having issues? Thanks, GT |
10-21-2014, 11:59 AM | #2 |
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No issues here. I sound deadened my trunk space cavities and love the sound.
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10-21-2014, 02:24 PM | #3 |
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Find someone to ride with before you buy. They are loud and the drone is unbearable at freeway speeds. It was less with my hardtop on, but think the loudest Harley you have heard.
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10-21-2014, 02:43 PM | #4 |
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Coupes are more prone to drone issues because it resonates off of the back window and into the cabin.
What you also need to look at is the rest of the exhaust system. On my car with headers and DKF section 1 its WAY loud and drones about 3k rpm. when pushing it beyond 3k it sounds amazing. I'm sure a car with OE manifold and section 1, the RPIs will be great. (haven't experienced it myself)
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10-21-2014, 04:11 PM | #6 | |
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these are the ones I got - $945 delivered. Give a call, they have a shipment coming in next week... http://www.bimmerzone.com/BMW_Perfor...RPI-EG117.html
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10-21-2014, 04:14 PM | #7 | |
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I've found a guide to disassemble the trunk, just not sure what I'm going to find will make the greatest improvements. I don't have an issue with it, but I could very easily see where there could be one. I have a RE X Pipe with the RPI's and it's seriously the best sounding rasp I could have ever hoped for. |
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10-21-2014, 05:02 PM | #8 |
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Thanks for everyone's responses! Very helpful. A friend has an M5 with sweet sounding pipes, but he has a switch in the car that will make the pipes more tame while on long trips, but if he wants to have some fun he can. Is there something like this you guys could recommend?
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10-21-2014, 11:36 PM | #9 | |
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10-22-2014, 12:59 PM | #10 |
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Yeah - will probably be about 2 weeks before I even get the RPI's, then a week or two after to get installed. I'm hoping to get some video of the sound and a mini "Exhaust Fest" comparison with my SPL meter. We'll see if I can live with the RPI or not :-)
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10-22-2014, 01:24 PM | #11 | |
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I've always been thinking of dumping the El Diablo exhaust for something louder since this isn't my primary anymore |
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10-22-2014, 01:57 PM | #12 | |
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Let us bay area people know. Lon has ss race and I have kks |
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10-22-2014, 02:17 PM | #13 |
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For sure! I'll plan on doing a post with the details. Of course, anyone that wants to hear the Eisenman's before the swap is welcome to...
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10-22-2014, 03:17 PM | #14 |
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10-25-2014, 03:21 PM | #15 | |
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10-27-2014, 02:54 PM | #16 | |
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Thanks again for the advice! |
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10-28-2014, 04:28 PM | #17 | |
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I was thinking about getting them. I think they look better than the RPI as I don't like the different size tips.
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10-28-2014, 06:05 PM | #18 | |
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I do hate the tips on the RPi. I think that's one of the main reasons why I avoided them to begin with. |
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10-29-2014, 06:58 AM | #20 |
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Your car rattled with rpi? Very strange because my car doesn't have a single rattle. Tips look much better in person in my opinion. I didn't think I would like them either but they really grew on me and I get a lot of compliments as well.
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