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Old 05-14-2013, 03:43 PM   #2
Bayou City Muscle Cars
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Drives: 2013 2SS Dusk Edition
Join Date: Jan 2013
Location: Houston Texas
Posts: 1,471
Kooks is the only one that offers a LT/Cat package that supposedly does not require a tune due to the "green" option cats. otherwise it will pop a O2 sensor code sooner or later.

without a tune though you wont get the full benefit of the upgrade though.
2013 2SS Dusk Edition
Dual Mode Exhaust CAI Inc CAI
Lethal Racing Stage IV
510.7rwhp 477fpt
Oracle Lighting throughout
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