The first part of the video is resonated TP's. Well, exhaust w/ stock cats. Then exhaust with res. TP's and then exhaust with f.i hfc's
If you're worried about sound then watch the video and compare. If you want moar power, i believe the TP's make a couple moar whp.
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Last edited by bdub561; 12-14-2012 at 07:14 PM.
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