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IS 500 aftermarket exhausts

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Old 08-06-23, 09:37 PM
  #826  
AmbyBomb
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Sounds pretty good.
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Old 08-11-23, 02:09 PM
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Originally Posted by Ironsights
Not sure about the RR Bazooka. I’m hesitant to drop another $2k on axle backs. Maybe TOM’S racing or Lems is a better option.
I just installed the Tom’s axleback and it defintiely has some drone around 1800-2000rpms.
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Old 08-11-23, 02:38 PM
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Originally Posted by Pandonsf
I just installed the Tom’s axleback and it defintiely has some drone around 1800-2000rpms.
I can deal with a little bit of drone, but the Invidia was overbearing. Let me know if you’re ever in the Sacramento area…I’d love to hear it in person.
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Old 08-11-23, 02:41 PM
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Originally Posted by Ironsights
I can deal with a little bit of drone, but the Invidia was overbearing. Let me know if you’re ever in the Sacramento area…I’d love to hear it in person.
it’s definitely a bit overbearing, hoping it settles down a bit after the exhaust breaks in a bit.
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Old 08-11-23, 09:03 PM
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was it the Tom's for IS500 or RCF?
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Old 08-11-23, 09:05 PM
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Originally Posted by cp2
was it the Tom's for IS500 or RCF?
its the IS500 version
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Old 08-12-23, 10:36 AM
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Do you have the stock midpipe?

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Old 08-12-23, 10:54 AM
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Originally Posted by Meraki Autoworks
Do you have the stock midpipe?

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yea running the stock mid pipe
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Old 08-13-23, 08:53 AM
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Very interesting to hear that it drones, are you in Socal or Norcal?


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Old 08-13-23, 09:05 AM
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Originally Posted by Meraki Autoworks
Very interesting to hear that it drones, are you in Socal or Norcal?


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yea, was surprised. Located in NorCal
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Old 08-13-23, 11:26 AM
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that's real weird. I don't hear my much from my Tom's RCF axle back. I have yet to install my apexi mid. I'm hoping that it beefs it up.
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Old 08-13-23, 11:36 AM
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Originally Posted by cp2
that's real weird. I don't hear my much from my Tom's RCF axle back. I have yet to install my apexi mid. I'm hoping that it beefs it up.
that is strange, it’s right around 1800-2000 rpm’s where it almost sounds like it buzzes or a long bass note if you stay in that band while accelerating. Other than that sounds great. Ordered the apexi mid pipe too. To see how it sounds with that. And if it’s still bad might just swap the oem axle back back on with the apexi mid pipe
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Old 08-13-23, 11:41 AM
  #838  
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Originally Posted by Pandonsf
that is strange, it’s right around 1800-2000 rpm’s where it almost sounds like a it buzzes if you stay in that band while accelerating. Other than that sounds great. Ordered the apexi mid pipe too. To see how it sounds with that. And if it’s still bad might just swap the oem axle back back on with the apexi mid pipe
I must not be paying much attention, but I thought the car cruises around 2k at 85 mph. I don't hear much...more intake sound than anything (during acceleration)...and yes, that dumb ASC is off.
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Old 08-13-23, 11:46 AM
  #839  
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Originally Posted by cp2
I must not be paying much attention, but I thought the car cruises around 2k at 85 mph. I don't hear much...more intake sound than anything (during acceleration)...and yes, that dumb ASC is off.
curious if there is an internal difference in the mufflers from the rcf to is500 specific axle backs.
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Old 08-13-23, 01:31 PM
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Custom mandrel-bent, non-res midpipe with x-pipe. $700 cash at a local exhaust shop. They had a sick air-cooled Porsche with the bumper off and some crazy exhaust, an LC500 from the dealer, and a couple of amateur race cars parked in the lot—I figured they knew what they were doing.

If it sounds faint, that’s cause it is. Very low sound that diminishes as revs increase. Most sound actually comes below 3k or so. It really is comparable to what you get from the OEM F Sport Performance Exhaust on the IS 350. Definitely louder on cold start but that goes down once warmed up.

Start

Idle

Acceleration
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