Quote:
Originally Posted by projectpanda
I've had the Circuit Werks Anti-version model for a long time before switching to ART pipes. The circuit werks definitely helps in removing or keeping the rasp down. I had it with my Top Speed exhaust and also Motordyne exhaust on my G37. I sold it to a guy who has it with muffler deletes and the video he sent me, I didn't hear any rasp.
I also had it for about a year and the welds all still looked good when I removed it. The flex area were fine also.
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The one concern I had with these were the flex points, but if yours looked good then perhaps they are strong enough. Do you happen to have a sound clip of these test pipes with the motordyne?