Spark Exhaust Titanium Full System BMW S1000RR K67 (2019-2026) GBM8821+GBM8824ST

Forged from the same titanium alloys trusted by championship-level race teams, the Spark Exhaust Titanium full system for the BMW S1000RR K67 strips 6 kg from the stock exhaust — dropping the total system weight from 10.4 kg down to 4.4 kg — and delivers a measurable power increase alongside the unmistakable bark of the Force Evo silencer. This is Italian craftsmanship applied without compromise to one of the most demanding superbikes on the grid.

Key Features

• Full-system weight saving of 6 kg over the OEM exhaust, transforming chassis dynamics and improving centre-of-gravity at every corner entry.
• Spark Force Evo slip-on silencer — updated geometry and refined internals for increased performance output and an aggressive, race-bred exhaust note.
• Titanium header and silencer body with a structural rib that integrates seamlessly with the carbon end cap, combining rigidity with a purposeful aesthetic.
• Carbon heat shield provides superior thermal resistance and reduces radiated heat to surrounding components compared to steel alternatives.
• Removable dB-killer included — 104 dB at 5,500 rpm without, approximately 99 dB with, allowing noise-limit compliance where required.
• Complete mounting kit included: all exhaust springs, chassis fixings, and a dedicated pillion footrest bracket for standard peg compatibility.
• Made in Italy — hand-assembled to the exacting tolerances demanded by road-racing and national championship regulations.

Build Quality and Materials

Every component in the GBM8821+GBM8824ST system reflects Spark's commitment to material integrity. The header pipes and silencer shell are fabricated from aerospace-grade titanium — a metal chosen not merely for its low density but for its exceptional resistance to thermal cycling and corrosion over thousands of track kilometres. The characteristic blue-purple heat tint that develops on titanium headers is not a finish; it is evidence of the material working exactly as intended under extreme operating temperatures.

The carbon fibre end cap is not decorative trim. It is a structural element that stiffens the silencer exit, manages heat at the outlet and reduces total mass simultaneously. The rib pressed into the titanium silencer body aligns with the cap's profile, creating a single cohesive form rather than the mismatched assembly common on budget systems. The carbon heat shield completes the package, protecting fairing panels and rider's leg from exhaust temperatures that an aluminium system would radiate more freely.

Performance and Track Use

Designed exclusively for race and track-day use, this full system is not road-homologated. With the dB-killer removed the system outputs 104 dB at 5,500 rpm — a figure that sits within the limits of most closed-circuit venues. Re-inserting the dB-killer brings output down to approximately 99 dB for paddock-noise-restricted events, without requiring a tool or the removal of bodywork.

A dyno session or race ECU mapping is strongly recommended after installation to realise the full performance benefit. The freer-flowing exhaust path alters fuelling requirements, and a correctly mapped S1000RR will respond with improved mid-range torque delivery and a sharper throttle response across the rev range.

The system is compatible with original fairings and both standard and aftermarket radiators, making it a straightforward installation even on fully kitted race bikes. The pillion footrest bracket in the mounting kit retains peg-hanger compatibility, though carrying a pillion is not suitable with this exhaust fitted.

Fitment and Compatibility

• BMW S1000RR K67 — model years 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
• Compatible with original BMW fairings
• Compatible with standard and aftermarket radiators
• Not road-legal — track and competition use only

Specifications