SC-Project SC1-R 350mm slip-on silencer for Aprilia RSV4 1100 Factory 2021-2024 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandSC-Project
ModelSC1-R
TypeSlip-on silencer
Length350 mm
FitmentAprilia RSV4 1100 Factory (2021-2024)
Part number (carbon)A27A-T93C
Part number (titanium)A27A-T93T
Intended useRace only — no road approval
DescriptionThe whole story

Born from a direct collaboration with Aprilia Racing and carrying the aesthetic language of World Superbike, the SC-Project SC1-R slip-on silencer in its 350mm form is one of the most purposefully designed exhausts available for the RSV4 1100 Factory. Whether finished in hand-laid carbon fibre or raw titanium, it replaces the heavy stock unit with something that belongs on a Superpole grid — and the numbers prove it.

Key Features

  • Race-proven design co-developed with Aprilia Racing for SBK and STK configurations, delivering genuine racing DNA rather than cosmetic upgrades
  • Massive weight saving of 2.4 kg over the stock silencer (stock 5.6 kg versus SC1-R 3.2 kg), transforming the handling balance of the RSV4
  • Power gains of up to +7.0 hp at 8,000 rpm and up to +6.5 Nm at 8,000 rpm (without dB-killer), across the full rev range
  • Exhaust valve removed for unrestricted airflow and maximum mid-to-top-end response
  • Removable dB-killer included: 105 dB at 6,500 rpm with dB-killer, 110 dB at 6,500 rpm without
  • Choice of carbon fibre or titanium canister finish — both with carbon fibre end cap and full-titanium link pipe

Design, Finish and Heritage

The SC1-R is SC-Project's most recognised silencer shape — a form refined through years of WorldSBK and CIV competition. The 350mm canister length keeps mass centralised and low, while the carbon fibre end cap provides a visual signature immediately recognisable from the pit lane. In carbon variant (A27A-T93C), the weave pattern of the canister itself adds a further layer of craftsmanship that sets this silencer apart from any generic aftermarket option. The titanium variant (A27A-T93T) carries the subtle blue-gold heat tint that only genuine titanium develops, making each silencer unique to the heat cycles it has seen. Both finishes are united by the full-titanium link pipe, which resists heat fatigue and maintains a consistent connection between the stock headers and the SC1-R canister.

Performance and Engineering

The SC1-R was not adapted from a universal design — it was conceived alongside Aprilia Racing engineers specifically for the RSV4 1100 Factory platform. Removing the OEM exhaust valve is central to the performance gain: the valve, present on the stock system to manage low-speed emissions behaviour, creates a restriction that the SC1-R eliminates entirely. The result is a measurable improvement in power delivery at every point in the rev range, not just at the top end. A carbon fibre heat shield is included to protect surrounding bodywork and electronics from radiated heat during sustained track use, and the full hardware kit — springs, bolts and a pillion footrest removal bracket for a cleaner racing silhouette — means no additional purchases are required before heading to the grid.

Fitment and Compatibility

The SC-Project SC1-R slip-on silencer (350mm) with part numbers A27A-T93C (carbon) and A27A-T93T (titanium) is designed exclusively for the following application:

  • Aprilia RSV4 1100 Factory — model years 2021, 2022, 2023 and 2024

This is a race-only product. It is not road-legal and carries no type approval for use on public roads. It is intended solely for closed-circuit competition and track-day use.

Specifications

Type Slip-on silencer
Length 350 mm
Canister material Carbon fibre or titanium
End cap material Carbon fibre
Link pipe material Full titanium
Exhaust valve No — removed for maximum performance
dB-killer Yes, removable
Weight saving -2.4 kg (OEM 5.6 kg / SC1-R 3.2 kg)
Power gain (with dB-killer) +5.8 hp at 7,750 rpm
Power gain (without dB-killer) +7.0 hp at 8,000 rpm
Torque gain (with dB-killer) +5.1 Nm at 7,750 rpm
Torque gain (without dB-killer) +6.5 Nm at 8,000 rpm
Sound level (with dB-killer) 105 dB at 6,500 rpm
Sound level (without dB-killer) 110 dB at 6,500 rpm
Part number (carbon) A27A-T93C
Part number (titanium) A27A-T93T
Intended use Race only — no road approval
What's includedEverything in the box
  • SC-Project SC1-R slip-on silencer (carbon or titanium, 350mm)
  • Full-titanium link pipe
  • Carbon fibre heat shield
  • Pillion footrest removal bracket
  • Complete mounting hardware including springs and bolts
  • SC-Project sticker set
FitmentWhich bikes this fits
  • Aprilia RSV4 1100 Factory (2021–2024)
07 · Support

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08 · Paddock

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