08-16-2011, 01:08 PM
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#6179 (permalink)
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Enthusiast Member
Join Date: Mar 2011
Location: Orange County, CA
Posts: 283
Drives: 370Z 40thAnniversary
Rep Power: 14
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Quote:
Originally Posted by DJ-of-E
On stock cats, the 12" is a lot louder that "could" get you in trouble, but not really. 18" is quieter, but is loud when you need it after 4000RPM.
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So Excited! 
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