New SC-Project rear silencers for the Kawasaki Z900 (2025): More power, less weight

Four models for individual requirements

SC-Project CR-T: Significantly lighter and with honeycomb outlet

The CR-T rear silencer is available in titanium and carbon fiber versions. At 8,700 rpm, it increases engine power by 3.4 hp (2.5 kW) and torque by 3.9 Newton meters. This corresponds to approximately 3.4 hp | 2.5 kW | 8,700 rpm and 3.9 Nm | 7,700 rpm. The weight is more than 75 percent less than that of the original Kawasaki exhaust. Visually, the CR-T features a honeycomb-design outlet grille.

SC-Project S1: Handcrafted intermediate pipe and weight savings

The S1 is available in titanium and in a matte black titanium version. The system reduces weight by more than 60 percent and enables a power increase of approximately 3.1 hp (2.3 kW) at 10,700 rpm and an additional 2 Nm of torque. The values: 3.1 hp | 2.3 kW | 10,700 rpm and 2.0 Nm | 10,700 rpm. A handmade intermediate pipe is included in the scope of delivery.

SC-Project SC1-R: Asymmetrical outlet and hydroforming technology

The SC1-R is also available in both titanium and carbon fiber. The weight is reduced by more than 40 percent compared to the standard exhaust. According to the manufacturer, around 4.1 hp (3.0 kW) and 3.8 Nm are released at 7,700 rpm (4.1 hp | 3.0 kW | 7,700 rpm; 3.8 Nm | 7,700 rpm). A special feature is the asymmetrical outlet, which is manufactured using hydroforming.

SC-Project GP-M2: Classically round and 55 percent lighter

The GP-M2 rear silencer has a round carbon fiber housing with a CNC-milled outlet. It is 55 percent lighter than the corresponding Kawasaki component. At 7,700 rpm, power output increases by 3.2 hp (2.4 kW) and torque by 2.9 Nm (3.2 hp | 2.4 kW | 7,700 rpm; 2.9 Nm | 7,700 rpm).

Prices and availability

In Germany and Austria, the recommended retail prices for the CR-T start at €420 (approx. $458), the S1 starts at €490 (approx. $535), the SC1-R costs €660 (approx. $721), and the GP-M2 is available from €340 (approx. $370). The respective versions vary in terms of materials and features. In Switzerland, prices for the models range from CHF 460 to CHF 890.

About SC-Project

SC-Project is headquartered in Cassinetta di Lugagnano near Milan. The company was founded in 2006 and is one of the leading manufacturers of exhaust systems for road and racing motorcycles. Production standards include the use of titanium, Inconel, and carbon fiber, as well as state-of-the-art manufacturing processes, including TIG and MIG welding technology, 3D laser cutting, and CNC-controlled processes. Over 100 employees develop and manufacture the products entirely in Italy. The distribution network spans more than 5,000 dealers worldwide.

Technical data for the new SC-Project rear silencers for Kawasaki Z900 (2025)

(All values according to manufacturer specifications. Prices are RRP, as of July 2025.)