Kawasaki H2 2015-2025 GP-S1 Slip-on exhaust

GP‑S1 Exhaust for Kawasaki H2 (2015–2025)

Built for supercharged aggression, the GP‑S1 slip-on transforms the H2's raw power into race-sharp response and a commanding MotoGP-inspired tone that cuts through the track. Engineered to unlock mid-range thrust and peak horsepower while amplifying the bike's uncompromising character at every throttle application.

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 reduce unsprung weight and sharpen acceleration, while elevating the H2's track-ready presence.

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 = 105 DB's

Stock = 4.3 KG

Titanium: 0.180 kg
Titanium with Mesh: 0.195 kg

1 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..