Spark Exhaust Titanium Racing Manifold BMW S1000RR (2019-2026) GBM8821R
02 · Data & docs

The facts.

Technical data
Part numberGBM8821R
TypeHeader
MaterialTitanium
Sound level107 dB
FitmentBMW S1000RR / M1000RR / M1000R (2019-2026)
Road approvalNone — track use only
OriginMade in Italy
DescriptionThe whole story▼

The titanium half of Spark's S1000RR system, sold on its own. This is the version without a bracket welded to the link pipe — the silencer hangs from the chassis hanger instead, which is what a race bike with rearsets and a stripped subframe usually wants.

Key Features

  • Titanium 4-into-1 racing manifold for the BMW S1000RR, M1000RR and M1000R.
  • No bracket on the link pipe: the silencer is carried by the chassis hanger.
  • Takes all three Spark silencers for this bike — Konix Evo, Force Evo and Grid-O.
  • CNC-machined couplings so the silencer relocates identically after every strip-down.
  • Supplied without a silencer.
  • Made by Spark in Mantova, Italy.

Build Quality & Materials

Titanium tube, hand-TIG-welded, with the connections turned from solid bar rather than pressed. On a manifold that matters more than it does further downstream: this is the hottest part of the system and it carries the mechanical load of everything hanging behind it. A pressed coupling that goes slightly oval under heat becomes a leak; a machined one does not.

The diameters and taper rates are the ones Spark runs with teams in CIV, CEV, British Superbike, the Isle of Man TT and the Endurance World Championship. This is not a road manifold with a racing sticker.

Performance & Sound

A manifold contributes almost nothing to attenuation, so what you hear is decided entirely by the silencer you bolt behind it. Spark measures the three options on this collector at 104 dB (Force Evo), 107 dB (Konix Evo) and 114 dB (Grid-O). Choose the number your series demands, then order the matching silencer group.

Fitment & Compatibility

BMW S1000RR (2019-2026), M1000RR and M1000R. The equivalent with the bracket already welded to the link pipe is GBM8823; the stainless steel versions are GBM8824R and GBM8825, which cost considerably less and weigh a few hundred grams more.

Road Approval

A bare competition manifold with no EC approval and no catalytic converter. It is not road legal, regardless of which silencer follows it.

Specifications

  • Part number: GBM8821R
  • Type: Header / manifold
  • Configuration: 4-into-1
  • Material: Titanium
  • Bracket on link pipe: no — chassis hanger carries the silencer
  • Silencer: not included
  • Fitment: BMW S1000RR / M1000RR / M1000R (2019-2026)
  • Road approval: None — track use only
  • Manufacturer: Spark Exhaust Technology, Mantova, Italy
FitmentWhich bikes this fits▼
  • BMW S1000RR
  • BMW M1000RR
  • BMW M1000R
07 · Support

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