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11-24-2012, 12:14 PM | #1 |
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RPI Exhaust
New RPI exhaust installed yesterday. Can't get enough of the sight or sound! Significant bonus in weight savings. Stock exhaust = 23 lbs per side, total weight 46 lbs. New RPI exhaust = 8 lbs per side, total weight = 16 lbs. Total weight reduction = 30 lbs. This product is very well built using high quality stainless and the tips sparkle like jewels! Low pitch, no raspiness and the drone is a small price to pay for aural perfection. Before/after sound clips to follow...
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11-24-2012, 12:50 PM | #2 |
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I love my RPI's! They look great. After a couple hundred miles they start getting black, but some wet rags cleaned them out.
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11-24-2012, 01:21 PM | #3 |
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Glad you like them. I'm glad I got mine too. Not too loud for me at all. I love the burbles when you get off the throttle
a clip of mine
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11-25-2012, 10:59 AM | #7 |
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Compare these two images... The first is a dissected OEM (without fiber stuffing) that v3.2mc posted recently on the exhaust forum:
Contrast this with the RPI straight pipe design: In addition to the 30 lb weight reduction, RPI claims a 7 HP gain, although I've never seen any before/after dyno results to substantiate this.
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11-28-2012, 10:02 PM | #9 |
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Installation cost is minimal... About one hour.
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11-29-2012, 03:53 AM | #10 |
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How are you liking them after a few days? Ears ringing yet?
A remedy for drone exhaustion, go find a long tunnel, drop down to 2nd in Sport mode, floor it! And then enjoy the pops and bangs when you sharply lift the pedal!
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11-29-2012, 08:37 PM | #11 |
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Speaking of drone, I need to find that post with all the various video clips of the different exhaust set ups. I recall someone also posted db ratings for drone WOT, etc.
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11-29-2012, 10:19 PM | #12 |
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I thought I had that bookmarked but I can't find it. I've even tried Googling possible keywords and can't find it.
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11-29-2012, 11:52 PM | #13 | |
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Quote:
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11-30-2012, 06:43 AM | #14 |
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I honestly don't know what all the fuss is about regarding drone. I love the RPI sound and am glad I went loud. If I had purchased one of the other systems instead, I think I would have always wondered if I would have liked the RPIs better. I figured i would start loud and if I didn't like the RPIs, I could always sell them and get the Stromungs. But sorry everyone... I won't be selling my RPIs!!!
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11-30-2012, 07:54 AM | #15 |
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Appreciate the info and opinion on RPI. I'm still trying to decide what exhaust to go with in the spring (or earlier?), and RPI is looking pretty attractive. I also read some people say that just adding a magnaflow muffler did the trick too, for about $200.
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11-30-2012, 07:55 AM | #16 | |
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11-30-2012, 08:22 AM | #17 |
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If only you could have the opition of no polished tips! M cars don't need them IMO.
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11-30-2012, 08:32 AM | #18 |
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11-30-2012, 08:35 AM | #19 |
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Depends on the wife! My girlfriend tolerates it because she knows i like them..
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11-30-2012, 09:34 AM | #20 |
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My wife absolutely approves... but then she rides a motorcycle and drives a truck!
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12-01-2012, 06:22 AM | #21 | |
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I did find that after awhile of driving on the highway at a constant speed the drone was annoying. Driving around anywhere else where I'm shifting and having fun driving the sound just adds to the joy of the car.
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11-17-2014, 03:03 PM | #22 |
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Does this exhaust affect the air/fuel of the car at all. Run lean? Any negative effect on the powerband or torque curve?
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