SC Project 3-1 Stainless steel full exhaust system, with CR-T titanium exhaust with stoneguard grid- Trident 660 (21-24)
The SC Project 3-1 Stainless steel full exhaust system, with CR-T titanium exhaust with stoneguard grid- Trident 660 (21-24) is a 3-1 full exhaust system developed for the Triumph Trident 660. It combines stainless steel headers with a CR-T titanium exhaust and titanium end cap. The system is specified for racing use only and records 110 dB at 5125 rpm. Visit our website for more parts and accessories of Triumph
3-1 Full Exhaust System
SC-Project developed this system as a complete 3-1 full exhaust configuration for the 2021 model of the Triumph Trident 660. The headers use SAE 304 stainless steel, while the exhaust body and end cap use titanium. Furthermore, the system works with the original lambda probes, as specified in the supplied product information.
The system uses CNC-machined billet bushings and T.I.G. welding performed in a protected environment. These manufacturing technologies form part of the construction described for this exhaust system.
CR-T Titanium Exhaust
The system pairs with the CR-T, identified by SC-Project as its iconic muffler for sportbikes. The CR-T uses titanium for the body and end cap and features a short design with a sporty appearance. In addition, the supplied description specifies a riveted SC-Project logo.
The exhaust also includes a stoneguard grid, as stated in the product name. Together, the CR-T titanium construction and 3-1 exhaust layout create the specified configuration for the Trident 660.
Power, Torque and Weight
According to the supplied technical specifications, this exhaust system produces a stated +4.1 hp at 9750 rpm and +3.5 Nm at 9750 rpm. The listed weight reduction is -5.1 kg, with the SC-Project system weighing 2.9 kg compared with 8 kg for the stock system.
Moreover, the system removes the original catalyst. The supplied overview states that this allows an important reduction in operating temperature and motorcycle weight.
Racing Specification
This exhaust carries the specification FOR RACING USE ONLY. It does not include a dB-killer, while the technical information confirms the presence of a lambda probe. The detected sound level is 110 dB @ 5125 rpm.
As a result, the supplied specifications clearly identify the system as a racing-focused exhaust configuration rather than a road-use product.
Strong Sound and Supplied Configuration
The CR-T muffler is described as producing a strong and deep sound at every acceleration. Its short, lightweight design and sporty appearance complete the overall exhaust configuration.
The supplied information identifies the mounting type as Bracket. Therefore, the product combines the 3-1 full exhaust system, CR-T titanium exhaust, stoneguard grid and listed mounting components into one specified configuration for the Triumph Trident 660.


















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