ARH headers+ypipe+corsa=????
Other options are to cut a couple slits in the corsa pipe to expand it apart, which I've used before but it didn't work the greatest and when I clamped it down it was a horrible seal, kept leaking.
Or you can get an exhaust pipe expander and slightly expand the corsa, I haven't tried it but I don't recommend expanding too much or it will leak, I like the tight fit as much of a pain in the *** it can be it's worth it.
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I think its the ypipe hitting the driveshaft....nothin to bad just annoying






