When it comes to the Cat Delete on the ps-420/421 its juts a few spot welds to remove the hole unit but even though the SS mufflers on the Ps-32 and 35 are modular rather than the crimped together sort on the 5105 ,they have very noticeable differences.
Firstly, when it comes to the path of gasses the ps-32 has no bypass hole at all alongside the cat, whereas the ps-35 has one all be it small.
This pic shows a removed cat from a ps-35 and the assembly ready to be removed from the part you keep and return to the muffler on a ps-32. Arrow to the bypass hole.
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The recessed nature of the cat and the number of spot welds you need to get at on the ps-32 (12 spots) makes this "awkward" .
The effort is worth it though , if nothing else to help with some heat discharge . Throttle response is better.