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Old 12-30-2011, 11:14 AM   #6
jkchambless
Austin LT
 
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Drives: 1LT - Airaid,JBA Axleback,VMax PTB
Join Date: Jun 2009
Location: Austin, Texas
Posts: 546
Axle back requires you to cut the existing pipe from the cat while cat back replaces it. Note that headers will, in most cases, void your power chain warranty. As to long versus short, I will leave that to someone more knowledgable.
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