I have an '01 that has the piggy back shock.A friend has an '01 with remote resevoir.I also have the reverse rev limiter even though some people think '01's didn't have a reverse rev limiter.Your best bet is to check the vin#
'05 yfz450-Lonestar XC axle,Lonestar Long Travel XC a-arms,Custom Axis front shocks,Walsh stem,Burgard anti vibe,GYTR skid,Pro armour skid,GYTR bumper,C-tois exhaust,wiseco 13:1 piston,hot cams,weighted flywheel,Douglas wheels rear beadlocks
"Mercy is something the weak pray for from the strong.I have no mercy.The best my enemy can hope for is my respect.And if he doesn't have that,he's nothing but an insect to be crushed beneath my heel."