Arrow Competition EVO 71211CKZ titanium full exhaust system on Yamaha YZF-R1
4.5 k g
02 · Data & docs

The facts.

Technical data
Part Number71211CKZ
System TypeComplete exhaust system (full system)
Header MaterialTitanium
Silencer MaterialTitanium
End Cap MaterialCarbon
Internal ComponentsTitanium
System Weight4.5 kg
Silencer Length350 mm
Outlet Diameter58 mm
dB KillerIncluded, removable
DescriptionThe whole story

The Arrow Competition EVO full exhaust system 71211CKZ is the straightforward route to genuine performance gains on your Yamaha YZF-R1/M. Weighing just 4.5 kg across the complete system, it strips meaningful mass from the stock setup, sharpens throttle response and delivers the crisp, purposeful exhaust note the crossplane R1 deserves — all with a removable dB killer that lets you dial in the noise level to suit the day.

Key Features

  • Complete titanium system weighing only 4.5 kg — a direct reduction over the heavy OEM setup for improved handling and agility
  • Titanium header and silencer body with carbon end cap — an excellent combination of heat resistance, minimal weight and long service life
  • Removable dB killer included — straightforward to fit or remove depending on circuit regulations or personal preference
  • 350 mm silencer length with a 58 mm outlet diameter — proven Competition EVO dimensions for optimal flow on the YZF-R1 platform
  • Race-use specification engineering — developed specifically to deliver peak power and optimised throttle response under demanding track conditions
  • Direct, hassle-free fitment on all Yamaha YZF-R1 and YZF-R1M model years 2017 through to 2026

Build Quality & Materials

Arrow has built the 71211CKZ around an all-titanium construction throughout — header, silencer shell and internal components alike. Titanium offers an outstanding strength-to-weight ratio and copes effortlessly with the extreme heat cycling a high-revving four-cylinder generates lap after lap. The carbon end cap adds a further reduction in rotational mass at the tail of the system while giving the whole package a purposefully race-bred appearance. These are not decorative choices; every material decision in the Competition EVO line is driven by function.

Track Performance

The Competition EVO designation sits at the top of Arrow's race-oriented catalogue. The system is engineered to maximise power output and sharpen throttle pick-up compared to the standard exhaust, particularly in the mid-to-upper rev range where the YZF-R1 crossplane engine does its best work. Arrow recommends a custom ECU remap to unlock the full potential of the system; without remapping, the gains are still appreciable, but a dedicated map will extract every last fraction of performance the new flow characteristics make possible.

Fitment & Compatibility

The Arrow 71211CKZ is a direct-fit complete exhaust system designed exclusively for the following models:

  • Yamaha YZF-R1 (2017–2026)
  • Yamaha YZF-R1M (2017–2026)

No additional adaptors or modifications are required for installation on the above models.

Important Notice

This exhaust system carries a race-use only homologation. It is not road-legal and must not be used on public roads. The removable dB killer is supplied with the system and should be fitted whenever circuit noise regulations require it.

Specifications

  • Part number: 71211CKZ
  • System type: complete exhaust system (full system)
  • Header material: titanium
  • Silencer material: titanium
  • End cap material: carbon
  • Internal components: titanium
  • System weight: 4.5 kg
  • Silencer length: 350 mm
  • Outlet diameter: 58 mm
  • dB killer: included, removable
  • Homologation: race use only — not road legal
  • Fitment: Yamaha YZF-R1 / YZF-R1M (2017–2026)
FitmentWhich bikes this fits
  • Yamaha YZF-R1/M (2017–2026)
07 · Support

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08 · Paddock

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