HMF Competition Exhaust systems for KFX 400/LTZ 400/Z 400/DVX 400. Available in a Slip-On and Full System. The Slip On exhaust picks up 10-15% more horse power and torque throughout the power curve. The Full System adds another 5-10% more horse power. The mufflers will be roughly 4-6dB louder than the stock exhaust, but the Competition Inserts can reduce that 2-6dB.
HMF Competition Exhaust systems for KFX 400/LTZ 400/Z 400/DVX 400 was designed and tested for sport ATVs. It features 3 inserts that affect the sound and power differently, giving you complete control over the type of power and sound you need.
