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IS 500 aftermarket exhausts

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Old 10-19-23, 09:43 AM
  #961  
808c2s
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Originally Posted by Pandonsf
Thanks, will have to contact them. Have been looking for a X Pipe instead of H.
Yes, pls do. I too wanted the X-Pipe design and not H-pipe.
Old 10-19-23, 10:16 AM
  #962  
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Originally Posted by SlowlaneAZ
On all gthaus exhaust products? Midpipes/mufflers/steel/titanium?

Will it be comprable to the sale on the gthaus site currently happening?
Don't clue, they won't say anything about it. From our past experience usually they only apply BF pricing to parts being sold at MSRP right now but parts are almost already 15% off. They might throw in a little more discount but no guarantees.

Just make sure to order from us to save

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Old 10-19-23, 05:43 PM
  #963  
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Originally Posted by 808c2s
RR Racing
Nice! Stock mufflers? I'm very interested to see what this sounds like. Will you take a video by chance?
Old 10-19-23, 06:17 PM
  #964  
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Originally Posted by SlowlaneAZ
Nice! Stock mufflers? I'm very interested to see what this sounds like. Will you take a video by chance?
Yes, will be with stock axle back. Will get video once I can get an appt to install it.
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Old 10-23-23, 11:06 AM
  #965  
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Originally Posted by 808c2s
Yes, pls do. I too wanted the X-Pipe design and not H-pipe.
ordered, now the wait begins. Looking forward to your video
Old 10-23-23, 11:11 AM
  #966  
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Originally Posted by Pandonsf
ordered, now the wait begins. Looking forward to your video
Great! Now, I am wondering if you and I are the only ones that have RR midpipes only
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Old 10-23-23, 02:01 PM
  #967  
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Originally Posted by 808c2s
Great! Now, I am wondering if you and I are the only ones that have RR midpipes only
Now that I know that is an option I'll wait for your video to see if I like it. Will you also be checking performance on a dyno to see if there is any improvement?
Old 10-23-23, 04:40 PM
  #968  
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Originally Posted by jct23
Now that I know that is an option I'll wait for your video to see if I like it. Will you also be checking performance on a dyno to see if there is any improvement?
I am not planning to dyno, but there was a dyno plot posted on FB in the IS500 Performance Owners group involving Apexi H-Pipe mated to stock Axle-Back. Yielded 14HP and 20 lb-ft TQ on a Dynojet, IIRC.
Old 10-25-23, 09:49 PM
  #969  
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Originally Posted by 808c2s
Yes, will be with stock axle back. Will get video once I can get an appt to install it.
you get a chance to have the midpipe installed?
Old 10-26-23, 08:55 AM
  #970  
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Plenty of apexi non resonated midpipes in stock for anyone interested.
Resonated midpipes ETA is end of November/ December.
GTHAUS exhausts in stock!

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Old 10-26-23, 10:25 PM
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Originally Posted by Pandonsf
you get a chance to have the midpipe installed?
No not yet. My go to guy is quite busy. Won't be available till next month sometime. I will need to coordinate his schedule with mine for next month somehow
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Old 11-01-23, 04:56 PM
  #972  
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Does anyone have a video of the Apexi Resonated Midpipe and GTHAUS axleback?
Old 11-01-23, 10:30 PM
  #973  
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RR Racing Resonated X-Midpipe installed. Now need to get recordings....

IS 500 aftermarket exhausts-photo248.jpg
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Old 11-04-23, 01:46 AM
  #974  
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RR Racing Resonated X-Midpipe to OEM axleback. Interior sound. Exterior sound to come...

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Old 11-04-23, 04:56 AM
  #975  
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Originally Posted by 808c2s
RR Racing Resonated X-Midpipe to OEM axleback. Interior sound. Exterior sound to come...

https://youtube.com/shorts/jhyq5Rn3t28?feature=shared
That's windows up or windows down? Sounds like its quiet enough in the cab to still have a conversation and talk at a normal volume. Sounds good.
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