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  #13  
Old 07-31-2014, 03:51 PM
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Re: 2" Kooks have arrived!

i c. So it's simply a design thing for sound. How would it affect the fuel economy? Is it just by adjusting the back pressure....

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Old 07-31-2014, 04:03 PM
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Re: 2" Kooks have arrived!

It says helps by keeping MDS mode engaged longer with no definitive value. Could be 1% or 10%. What I can tell you is that my valves are open, and I have no codes or negatives...
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Old 07-31-2014, 04:12 PM
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Re: 2" Kooks have arrived!

sweet!
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