⟲ 360° — drag meThe facts.
| Type | Full exhaust system, 2-1 |
|---|---|
| Header material | Titanium |
| Canister material | Carbon fibre or titanium |
| System weight | 2.4 kg (stock: 6.4 kg; saving: 4 kg) |
| Power gain | +2.9 hp at 8,000 rpm |
| Torque gain | +2.6 Nm at 8,000 rpm |
| Sound level | 115 dB at 5,250 rpm |
| Lambda sensor | Yes |
| dB killer | No |
| Homologation | Race use only — no road approval |
DescriptionThe whole story▼
Race-only and proud of it — the SC-Project Titan CR-T full exhaust system was developed specifically for the Aprilia Racing RS 660 Trofeo and carries that competition pedigree into every weld, every CNC-machined titanium sleeve, and every note of its 115 dB soundtrack. This is not a road-legal silencer with a sticker on it; it is a purpose-built 2-1 full system engineered to the same standard as MotoGP hardware, and it is approved for track use only.
Key Features
- Race-use only — no road approval; designed from the ground up to meet competition requirements rather than road-going compromises.
- 100% titanium headers with T.I.G.-welded seams and CNC-machined titanium collars for maximum structural precision and heat resistance.
- Dramatic mass reduction: the SC-Project system weighs just 2.4 kg against the stock unit's 6.4 kg — a saving of 4 kg from the chassis.
- Measured performance gain of +2.9 hp and +2.6 Nm at 8,000 rpm across the entire rev range, not just at the peak.
- Unmistakable CR-T race sound rated at 115 dB at 5,250 rpm — audible, intentional, and entirely at home on circuit.
- Available in two finishes: natural titanium or carbon fibre canister, both sharing the same titanium 2-1 header construction.
- Lambda sensor provision included; no dB killer fitted.
CR-T Engineering — Built for the Trofeo, Ready for Your Track
The CR-T designation sits at the top of SC-Project's competition catalogue, and the Titan variant for the RS 660 illustrates exactly why. The 2-1 collector configuration concentrates exhaust gases efficiently, delivering the torque and power improvements in the mid-range where circuit riding demands them most. Every joint is T.I.G.-welded by hand, and the CNC-machined titanium sleeves ensure a repeatable, airtight assembly that survives the thermal cycles of an endurance session as confidently as a sprint race.
The single-seat exhaust bracket included in the kit gives the system a cleaner visual line at the tail, stripping away the visual weight that comes with passenger-centric mounting solutions. Installation is direct plug-and-play for the RS 660 — no fabrication, no custom mapping adapters beyond standard ECU recalibration that any serious track bike should receive after an exhaust upgrade.
Important Safety and Legal Notice
This exhaust system carries no road-going type approval and must not be used on public roads. It is designed exclusively for closed-circuit competition and track-day use. SC-Project and Inter-Pace strongly advise that the pillion footpegs are removed before fitting, as they are not compatible with the single-seat mounting bracket supplied. Always comply with circuit sound regulations before entering the pit lane.
Fitment and Compatibility
The SC-Project Titan CR-T full system 2-1 is designed and verified to fit the following motorcycle:
- Aprilia RS 660 — model years 2020, 2021, 2022, 2023, 2024
Part numbers: A23A-TC36C (carbon canister) and A23A-TC36T (titanium canister).
Specifications
| Specification | Detail |
|---|---|
| Type | Full exhaust system, 2-1 |
| Header material | Titanium |
| Canister material | Carbon fibre or titanium (finish-dependent) |
| System weight | 2.4 kg (saving of 4 kg vs. stock 6.4 kg) |
| Power gain | +2.9 hp at 8,000 rpm |
| Torque gain | +2.6 Nm at 8,000 rpm |
| Sound level | 115 dB at 5,250 rpm |
| Lambda sensor | Yes (provision included) |
| dB killer | No |
| Homologation | Race use only — no road approval |
| Fitment | Aprilia RS 660 (2020-2024) |
What's includedEverything in the box▼
- SC-Project CR-T canister (titanium or carbon, finish-dependent)
- Complete titanium 2-1 header assembly
- Single-seat exhaust bracket
- Full fastening kit including springs and bolts
- SC-Project sticker set
FitmentWhich bikes this fits▼
- Aprilia RS 660 (2020–2024)
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Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
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Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
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