If your worried about volume, LTH, TP's, RTP's, resonated cats, HFC's, or ART pipes will do the trick. It will be loud on anything off cruise or idle. The loudest options on the list will be LTH's, TP's, or ART pipes. I haven't heard both in person, but the 12's will definitely be loud. If you plan on keeping that new cat, I might stick with the 18's if you want to tune out some of the rasp. My set up has rasp I'm still working against and I chose Tanabe. Tanabe is on the quieter side and has 18" in resonators.
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Old Car:GTM TSC'd 550whp / 410lbft tq @ 11.88PSI
New Car: Under Construction
Last edited by SS_Firehawk; 03-20-2012 at 12:10 PM.
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