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Arrow Competition EVO Full Exhaust System Stainless Steel BMW S1000RR K46 (2015-2018) 71141CKZ

59,841.00 ฿

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Returns must be registered in advance by email and are possible in line with our cancellation policy (14-day return request + 14-day return window after approval). Please note: unregistered returns are not accepted. You'll find all details on conditions, exceptions and refunds in our cancellation policy.

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Built without compromise for the track, the Arrow Competition EVO full exhaust system 71141CKZ is a race-only setup machined from stainless steel and titanium, engineered specifically for the BMW S1000RR K46 in model years 2015 to 2018. At just 4.60 kg for the complete system, it delivers a meaningful reduction in unsprung and overall mass precisely where it counts on circuit, freeing up power and sharpening throttle response in the same stroke.

Key Features

  • Race-use only full exhaust system — developed for competitive track use, not road homologated
  • Complete system weight of 4.60 kg for significant mass reduction over the OEM exhaust
  • Removable dB killer included, allowing configuration for paddock sound regulations or unrestricted track sessions
  • Stainless steel headers and slip-on internals paired with a titanium silencer body for an optimal strength-to-weight ratio
  • Carbon end caps for a purposeful, race-grade finish that resists heat discolouration
  • Outlet diameter 54 mm, inlet diameter 58 mm, silencer length 250 mm — precision dimensions for maximum flow

Performance & Build Quality

Arrow's Competition EVO line is built to the same standard used in superbike racing. The stainless steel headers are formed to optimise exhaust gas scavenging across the S1000RR's rev range, improving torque delivery and throttle response without the compromise of a slip-on-only solution. The titanium silencer keeps mass low and handles sustained high-temperature output under racing conditions, while the carbon end caps add a further visual and thermal advantage over aluminium alternatives.

The removable dB killer is a practical detail for club racers and track day riders alike — install it for noise-restricted events, pull it for unrestricted sessions without any additional tooling or hardware required.

Mapping Recommendation

Arrow and Inter-Pace strongly recommend having the S1000RR remapped or using a dedicated ECU map when fitting this system. A properly calibrated fuelling map ensures optimal throttle response, protects engine longevity, and unlocks the full performance benefit of the Competition EVO setup. Running a race exhaust on a standard map will leave measurable power on the table and may affect reliability under sustained track use.

Fitment & Compatibility

This system is designed exclusively for the BMW S1000RR K46 produced between 2015 and 2018. It is not compatible with earlier or later S1000RR generations. Always verify the model year and variant before fitting.

Specifications

  • Part number: 71141CKZ
  • Brand: Arrow
  • System type: Full exhaust (complete system)
  • Fitment: BMW S1000RR K46 (2015–2018)
  • System weight: 4.60 kg
  • Silencer length: 250 mm
  • Outlet diameter: 54 mm
  • Inlet diameter: 58 mm
  • Header material: Stainless steel
  • Silencer body material: Titanium
  • Slip-on internals: Stainless steel
  • End caps: Carbon
  • dB killer: Included, removable
  • Intended use: Race use only
More guides on Exhausts →