Should have saved the money for a true CAI. You would have gotten more performance and better looks. The TRD Exhaust is IMHO the best out there for the stock tC. As you know it provides a deep, mellow tone that is not too loud or harsh. Take away the stock header and bam! Instant noise and rasp. You won't like it. You will have to add a large performance resonator on the mid-pipe to cure the rasp.
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