Thanks for posting that print out, puts things in perspective doesnt it??!!. By the looks of it, the old LRD lowboy aint far off these new pipes at all....its really much of a muchness?! They must've really had their heads screwed on back in the day when they designed it.
I'm starting to think that its not really worth the money in changing to one of the newer pipes?...its just so tempting as they look so darn good!!! LOL!!
The high end pipes really start to make sense if you also are going to develop the entire engine to a higher level...porting, head, carb. That's when you get your $$ worth.
Look for the complete Pipe Shootout info that was posted on the old LT250/LT500 site if you want to see all the pipes being run back to back on different levels of engine builds. Stock, Q-HRD, HPR Duner, HPR Drag motors. I don't believe that info was ever posted up over here, it's from back in 2010.