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High Flow Muffler = Reduced Torque???

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Old Jan 10, 2002 | 02:29 PM
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High Flow Muffler = Reduced Torque???

[updated:LAST EDITED ON 10-Jan-02 AT 03:30 PM (EST)]Have any of you guys installed an aftermarket muffler on your Lightning and noticed a DECREASE in torque?
 
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Old Jan 11, 2002 | 06:56 PM
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High Flow Muffler = Reduced Torque???

It is possible, if you reduce back pressure too much, but its doubtful its going to flow that much more because of the cats. What else have you done to it?
 
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Old Jan 12, 2002 | 09:31 PM
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High Flow Muffler = Reduced Torque???

Nothing, except for a K&N, but that doesn't count! I don't plan on doing much more until the warranty runs out, that is if I can hold back that long!
 
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Old Jan 14, 2002 | 10:46 PM
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High Flow Muffler = Reduced Torque???

Hmmmm.... try disconnecting the battery and turning the headlights on for about 10 minutes to reset the computer. That may help the ECU relearn the fuel curve base.
 
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Old Jan 15, 2002 | 07:22 AM
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High Flow Muffler = Reduced Torque???

It's been several days now since I had the muff installed, and the truck seems to be running really good, maybe even better! If I did lose any torque, it was only a very little bit.

I thought about resetting the computer, but I didn't. BTW, that's a good idea to turn on the light switch to finish draining the remaining power! I never thought of that...

Thanks for your input!
 
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Old Jan 16, 2002 | 09:54 AM
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High Flow Muffler = Reduced Torque???

 
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