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Old 11-24-2010, 11:01 AM   #34
Sleestack
 
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Drives: '07 SRT8 SuperBee, '09 GT500
Join Date: Feb 2009
Location: Austin, Tx
Posts: 684
Quote:
Originally Posted by newagemuscle View Post
I totally agree. Really how much more mph did it pick up over the 425 hp model? Mostly 60ft to help out the added power.
They posted the slip to the 392 run....All I have to compare to is my SRT8 with the only mod being Glass packs in place of the Resos.... all else stock. Of course the conditions and drivers were different....

Stock 392 (DA -600Ft)



425HP SRT8 (Glass pack mufflers only) (DA +1750)

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