BMW R18 2021-2026 GP-S1 Slip-on exhaust

GP‑S1 Exhaust for BMW R18 (2021–2026)

Built specifically for the 2021–2026 R18, the GP‑S1 brings pure MotoGP aggression to BMW's iconic cruiser. Its race‑inspired design and sharp, unmistakable tone amplify the already commanding character of this generation, unlocking the soundtrack this machine truly deserves.

Hand‑made in the UK, the GP‑S1 is available in Full Titanium or Stainless Steel construction, with Brushed or Ceramic Black finishes. Lightweight, high‑strength materials deliver improved performance and a dramatic reduction in weight, all while elevating the bike's overall aesthetic.

Full Titanium or stainless steel construction.
Full Pie cut design.
Advanced flow dynamics.
Massive weight savings.
Simply bolt on and ride!
Gives a 3-5 bhp power gain.
Removable baffle supplied with exhaust.
Full fitting instruction supplied.
Retains pillions pegs if required.
No remap required.

DB levels tested @ 5250RPM

GP-S1 = 104 DB's

Titanium GP-S1 = 0.240 KG (each)

2 x GP-S1 exhaust.
1 x Bolt kit (All fixings required)
1 x Full fitting instructions.
1 x Pro-Race official lifetime warranty

Due to the extremely high demand for our products we currently have lead times, We show the realistic lead times for each product on there listing page below the title.

Please note: Your order may be, and in many cases are shipped faster than the lead time stated on the listing but we want you to be aware that every product is hand-made to order solely in our UK factory by us.

Ceramic coating: Please note that adding ceramic coating to your product will add 1 additional week to the dispatch date due to the coating process.

If you have any Questions regarding our lead times please contact us..