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Actually not quite. The TTP with oem xpipe and rear are much lower growl than the AA or fabspeed xpipe with high flow cats. The AA xpipes do not have that crazy bend in it that oem has for one and the high flow cats are metallic high flow 200 vs oem which are 300 and non metallic. Probably is why it gives a more high pitch sound because of the metal cats as well
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