Originally Posted by Cuore_Sportivo_155
The whole is important, as leaving 1 bottleneck in the line isn't going to be nearly as effective as a complete upgrade.
Removing (some of) the cats seems to be the #1 thing to do though
does anyone sell a proper decat rather than the hugely expensive cat replacements?
be nice to free a few ponies, get a bit more sound and still look stock
