HP-Plus® Silencer by Khrome Werks — 4-1/2" slip-on with a race look, designed for Harley touring and road bikes. Made from 16-gauge chrome steel, featuring adjustable machined tips and the signature Khrome Werks sound: power, torque, and character without unpleasant highs. Designed to replace your original silencers while adding punch to acceleration and a subtle racing aesthetic.
- Construction: 16-gauge steel body, chrome finish; "Race" style cap.
- Dimensions: outer diameter 4-1/2" (11.5 cm).
- Sound: absorbent baffle wrapped in stainless steel and high-temperature fiberglass for a rich sound signature without screaming.
- Measured performance: bench tested — up to +12% torque and +7% power according to test validation.
- Tips: adjustable 360° machined aluminium tips in 90° increments for visual and directional exhaust adjustment.
- Options: threaded inserts compliant with SAE J2825 sound test (without significant performance loss) and performance inserts to enhance low-end power.
- Compatibility: suitable for Harley Touring/Road models (e.g., Road Glide and Street Glide 2016 1690 cc typically listed).
- Delivery: sold in pairs — made in the USA. Manufacturer reference 202915.
A relevant choice for the rider seeking a slip-on exhaust that is both aesthetic, robust, and road-oriented, with a deep and controlled sound and a real gain in acceleration.