Originally Posted by
wingracer
That's probably your best bet for run time. Or a 2013 (Sirio, Werks, etc.), I know it sounds weird but it works.
The 2013 is a good pipe on RB's, but the mileage will not be as good as the 2045 is. The 2020 is a good pipe too, but does not get very good mileage and is quite thin. The dynamite 053 pipes will work good for a decent price on that engine as well.