Kawasaki KLX250/S/SF Full Single Exhaust System 2006-2020 TRX450 Dyno Chart:

Dyno Chart:

As you can see on the dyno chart below

Besides alleviating heat concerns

Up to 4 Horsepower Gain

As shown on the torque curve in the Dyno Chart the torque spread right from the start and is very substantial

Kawasaki KLX250/S/SF Full Single Exhaust System 2006-2020 TRX450 Dyno Chart:SNAPSHOT: 4. 9 HP increase by simply bolting on the system with no tuning Tuning can reach 5. 5+ HP increase Fits 2006 2020 KLX250 S SF (including the new 2018+ fuel injected models!) Full single exhaust delivers increased over rev, particularly useful in competition Optional Add Ons: Quiet Core; Spark Arrestor; Complete Repack Kit The KLX 250 S SF is an excellent bike for anyone looking to do mods, as simple upgrades will certainly deliver more power