00 srx 700 vs 98 zrt 700

Hey guys i need a bit of advice here i have a 2000 yamaha srx 700 i have a mrbp can and a hauck x helix with a 9-1 rap the sled goes crazy when u pull off the air box foam cover and the kid i know has a 98 zrt 600 bored out to a 700 with tripple pipes and tripple scilencers and v force reeds probably clutched to i'm a little scared to like up with this but i had a little confedence booster this weekend in houghton i destroyed a zr 600 but big differance what do you guys think of this?

Put the stock muffler back on, the mbrp is robbing you of power.

IS THIS POST A JOKE. 3:16 (yammie tony)