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Old Oct 11, 2003 | 03:24 PM
  #1  
JJF's Avatar
JJF
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Joined: Aug 2003
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From: Scottsdale AZ
Default TPIS Long Tubes

I recently had these installed at Extreme Motorsports; percieved not proven loss in mid range torque(slight)...car is a 99 FRC... anybody with these feel the same way or is it just me? Thanks
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Old Oct 11, 2003 | 05:48 PM
  #2  
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Mark VerMurlen
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Joined: Sep 2000
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From: Bothell WA
Default Re: TPIS Long Tubes (JJF)

I've not noticed this with my car. I can definitely tell the car is stronger and I have the dyno chart to show it. In my car, torque really starts to increase over stock at 3,500 rpm. I don't think its ever lower than stock.

I wonder if your perception is due to the surge in torque that comes in at 3,500 rpm, where as the torque curve was flatter on the stock car. This may make it seam like the torque was down before the surge.

- Mark
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Old Oct 11, 2003 | 11:38 PM
  #3  
LittleBoyBlu99's Avatar
LittleBoyBlu99
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From: Tyler TX
Default Re: TPIS Long Tubes (Mark VerMurlen)

I've not noticed this with my car. I can definitely tell the car is stronger and I have the dyno chart to show it. In my car, torque really starts to increase over stock at 3,500 rpm. I don't think its ever lower than stock.

I wonder if your perception is due to the surge in torque that comes in at 3,500 rpm, where as the torque curve was flatter on the stock car. This may make it seam like the torque was down before the surge.

- Mark
:thumbs: :iagree:
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Old Oct 13, 2003 | 02:03 AM
  #4  
tekhombre's Avatar
tekhombre
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Joined: May 1999
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From: Garwood NJ
Default Re: TPIS Long Tubes (LittleBoyBlu99)

They are great headers, that's why we use them on our Stage 2-X H/C.


Julio
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