These 4-1/2" HP-Plus® slip-on mufflers are engineered for performance, style, and sound. They produce an authoritative tone without annoying high-frequency noise and deliver improved throttle response and overall output. 🔧🔥
- Dyno-tested gains: up to 12% increase in torque and 7% increase in power.
- Absorptive baffle wrapped with stainless steel mat and high-temperature fiberglass for consistent damping.
- 4.5" 16-gauge muffler body for durable, lightweight construction.
- Billet aluminum tips rotate 360° in 90° increments for customizable orientation.
- Bolt-in optional inserts comply with SAE J2825 sound test with no appreciable loss of performance; optional performance inserts boost low-end power and refine tone.
- Eclipse style features a proprietary high-temperature chrome electroplated finish.
- Sold in pairs and made in the U.S.A.
Bolt-on installation; no permanent modification required. Results vary by bike and tuning—consult a technician for best fit and setup.