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      10-28-2009, 03:09 PM   #1
Jason@Renn-Spec
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RPI Exhaust System Coming Soon

Just wanted to let you guys know that RPI is coming out with a new system for the 135i! RPI always dyno test their products and will NEVER release a product that does not make substantial gains. According to Eloy@RPi, he's going to make this system a true dual with quad tips. He'll also provide your with templates to cut your bumper to fit the quads. For those worried about cutting their bumper, the stock replacement piece is $50 from the dealer. This exhaust will have a lifetime guarantee and performance guarantee. I will have some pictures of the prototype and dyno up soon! To get an idea of how it sounds, here's a similar exhaust on a 535i.

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      10-28-2009, 03:13 PM   #2
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Wow badass, a true dual, can't wait to see what it really looks like! Too bad the video didn't have any sound
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      10-28-2009, 03:28 PM   #3
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Ah my mistake, let me post another one!
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      10-28-2009, 04:58 PM   #4
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      10-28-2009, 05:11 PM   #5
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any video on the 135 or is it still being made?
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      10-28-2009, 05:15 PM   #6
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in for the pics of the true dual design

when will you have those?
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      10-28-2009, 05:24 PM   #7
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It's still in production. Eloy is playing around with different style tips to get the sound correct.
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      10-28-2009, 05:25 PM   #8
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any sort of timeline here?

one thing that we dont like here is the announcement of the product and then no updates or timeline, because it is just a tease
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      10-28-2009, 05:27 PM   #9
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Ah! Don't worry, we'll do our best to update! Eloy said we should have some prototype pics or stuff by this week!
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      10-28-2009, 05:32 PM   #10
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great cant wait to see them!

i am really curious as to how he is going to work a true dual exhaust, as there is stuff in the way on the right side....
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      10-28-2009, 06:37 PM   #11
/// Yr1of D1///
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wow, can't wait!!
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      10-28-2009, 07:10 PM   #12
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      10-28-2009, 08:19 PM   #13
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awesome! all of my waiting on an exhaust may actually pay off.
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      10-28-2009, 11:47 PM   #14
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Looks heavy. Will be interesting to see how you get two pipes big enough to provide more airflow than a single 3'' to fit in the space available.
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      10-29-2009, 12:38 PM   #15
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Rpi makes some really nice stuff I might have to get this when its released....
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      11-09-2009, 07:54 PM   #16
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      11-09-2009, 07:57 PM   #17
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Dyno sheet!
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      11-09-2009, 08:03 PM   #18
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I'm assuming this is just a DP back exhaust? And what are prices looking like?
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      11-09-2009, 08:37 PM   #19
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Quote:
Originally Posted by Berduderunner View Post
I'm assuming this is just a DP back exhaust? And what are prices looking like?
Im running the stock downpipe.
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      11-09-2009, 08:40 PM   #20
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very interesting indeed. keep us posted
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      11-10-2009, 03:24 PM   #21
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Exhaust sound is good, but the car doesn't sound right as it pulls away. You can definitely hear some sort of oscillation as the car accelerates through the gears.

Are you sure nothings catching under the car? Sounds like a tyre is hitting the liner as you pull away. I assume the car is lowered too?

Mad.
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      11-10-2009, 03:52 PM   #22
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Quote:
Originally Posted by mad chemist View Post
Exhaust sound is good, but the car doesn't sound right as it pulls away. You can definitely hear some sort of oscillation as the car accelerates through the gears.

Are you sure nothings catching under the car? Sounds like a tyre is hitting the liner as you pull away. I assume the car is lowered too?

Mad.
The car isnt lowered. I wanted to take more videos but my friend screwed up on the first few vids and I didnt want the neighbors calling the cops so I had to stop. I dont hear any of the noises you were talking about. It must have been the camera or wind. Here is an in car vid. Its pretty quiet in the inside imo.


Last edited by RPIpower; 11-10-2009 at 04:17 PM.
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