BTW, the RTV1100 kit was redesigned to lower the pre-cleaner to prevent it from hitting objects i.e. this redesign brought it below the roofline. Also, there was a foam piece added to the plastic intake tube (sandwiched between the this plastic intake and the cab) to prevent it from vibrating...
Yep, the muffler will crack around the flange where it bolts onto the engine (exhaust manifold). I have seen this happen many times...it was a design flaw and I'm pretty sure it didn't get fixed till after 2005. They added internal stiffener in the resonator portion to help prevent these...
26 inchers are no problem and I would stay with the factory widths, if possible.
Checkout this thread: http://www.nettractortalk.com/forums/showthread.php?t=13552
Yeah, it's amazing how much they mark up parts and accessories and go with cheap OEM components (so you have to buy their overpriced replacement parts).
Yeah, those propeller shafts are not the best but grease fittings on those shafts and where Deerlope mentions on the axle will help prevent wear and tear. You would think grease fittings or better sealed components would have been a no brainer, especially considering the environment these...
It took Kubota awhile to get the gauges fixed, but I think they finally got them right about 1 year ago. The initial design was poor and the Japanese don't listen very well when improvements are suggested.