Is the muffler on the Borla cat-back the same as the one on the TRD axel-back? If so, why wouldn't more people get the Borla cat-back? wouldn't performance be better with only a marginal increase in price?
this is the only borla exhaust i know of for the tC. depending on the way it is worded, the cat-back and axle-back categories can be deceiving with the tC. either way, i wouldnt expect much if any perfomance increase from the system above, or the TRD, which, yes, is the borla can.
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