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Had the TSPro exhaust installed without any bypass/delete pipes and now have the infamous drone problem. Looking at getting the "catless test pipe", also from TSPro. Can someone help me with other parts that I need to get along with the test pipes?
While installing the exhaust, my mechanic had to cut the C-pipe (or is it called U-pipe?) between the exhaust and secondary cats because the angle wasn't right between the exhaust and secondary cats with the C-pipe as is.
Now, if I am replacing the secondary cat section with the test pipes, do I need a new set of C-pipes? And, what's this clamp business?
Thanks!
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