SC-Project S1 Slip-On Silencer BMW S1000RR K67 (2020-2022) Titanium — B33B-41T

Crafted from aerospace-grade titanium and finished with CNC-machined collars, the SC-Project S1 slip-on silencer for the BMW S1000RR K67 represents the very best in Italian exhaust engineering. Every weld, every joint, every material choice is built to a standard that goes far beyond what the factory ever intended — delivering a 1 kg weight saving, a deep racing soundtrack, and full Euro 5 road approval in a single bolt-on upgrade.

Key Features

• Titanium canister with hand-laid TIG welds for exceptional strength-to-weight performance and a distinctive raw finish
• Carbon fibre heat shield delivers premium thermal protection while adding a race-bred visual signature
• CNC-machined collars and mounting hardware ensure an exact, rattle-free fit on the S1000RR K67
• Supplied with a dB-killer, allowing the silencer to run within legal sound limits on public roads while retaining that unmistakable SC-Project note on track
• Full Euro 5 homologation — complete with EC approval and TÜV certification — so the bike remains road-legal straight out of the box
• Sheds approximately 1 kg over the stock unit, measurably improving mass centralisation, agility, and corner-entry feel

Build Quality and Materials

SC-Project has built its global reputation on the quality of its Italian-made exhausts, and the S1 is no exception. The canister body is fabricated from lightweight titanium, chosen for its exceptional rigidity, corrosion resistance, and the characteristic iridescent colouring that develops with heat. TIG welding throughout ensures clean, consistent seam integrity that holds up under sustained high-revving use. The carbon fibre heat shield is not a cosmetic afterthought — it is a functional piece that manages radiated heat away from the rider and surrounding bodywork, and it pairs visually with the carbon trim common to the S1000RR platform.

Sound, Performance, and Road Use

The S1 produces a deep, authoritative exhaust note that reflects the S1000RR's inline-four character far more honestly than the standard silencer. The included dB-killer moderates output for road use and noise-monitored track days, and it can be removed for open circuit sessions where local regulations permit. Because it retains the factory header, the S1 integrates with the OEM fuelling map without requiring a remap — though pairing it with an ECU flash will unlock the full performance benefit of the reduced back-pressure.

Fitment and Compatibility

This silencer is designed and homologated specifically for the following model:

• BMW S1000RR K67 — model years 2020, 2021, and 2022

It is a direct slip-on replacement, connecting to the existing mid-pipe without modification. All mounting hardware is included in the box.

Specifications