Even at that state of your Trooper, at 3000rpm meron pa yan, marami pa ang mapipiga mo.

Although for this engine medyo mataas nga ang 3000rpm for 130km/h. Baka hindi ka lang sanay sa sound ng Trooper at high speed, maingay talaga yan kahit kelan.

Pero kung talagang parang pigil... Siguro hindi lang gaano nakakahinga, try cleaning/replacing your air filter and changing your fluids and oil filters. I'd bet something's dirty or clogged in there.