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Old 08-06-2009, 06:08 AM   #5
GMRULZ

 
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Drives: 2010 SS & 2008 C6
Join Date: Mar 2008
Location: VA
Posts: 1,823
I also bought the ARH headrs and catted x-pipe, sticking w/ stock mufflers for now, have the L99 and it will not sound too pretty w/ aftermarket mufflers when it switches to 4cl mode. The L99 mufflers were designed to help w/ this. Soon as the AFM is tuned out though I will most likely add aftermarket mufflers.
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2010 SS L99, 536rwhp 10.843@126.72. Whipple Supercharger stock pulley, ARH 1 7/8 longtubes w/ catted xpipe, magnaflow 3" mufflers, ADM Race CAI, 3:70 gears, lightweight wheels and nitto drag radials. Stock internal L99, stock converter.

Bolt on best before blower 12.22@113.29 w/ nothing but ARH headers, catted x-pipe, ADM CAI and a tune on stock Pzero`s!

Other car 2008 C6 Ls3, z51, A6, Npp Exhaust, best bonestock pass 11.80@118.82, Number 2 on the Corvette Forums Bonestock fastest list..
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