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Arrow Stainless Steel Header BMW S1000RR K67 (2019-2026) 71718MI

20,103.00 MDL

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A direct-fit stainless steel header engineered specifically for the BMW S1000RR K67, the Arrow 71718MI gives you a solid foundation for a performance exhaust system without forcing you to commit to a full Arrow setup straight away. Run it with your stock slip-on silencer on track days and upgrade at your own pace, or pair it immediately with Arrow slip-ons 71506, 71903 or 71554 for a complete Arrow system.

Key Features

  • Precision-engineered fitment for BMW S1000RR K67 model years 2019 to 2026 — no modification required
  • High-grade stainless steel construction delivers excellent heat resistance and long-term corrosion protection
  • 60 mm outlet diameter optimises exhaust flow and throttle response under race conditions
  • Weighs just 3.10 kg, providing a noticeable reduction over the heavier factory header
  • Compatible with the original OEM silencer as well as Arrow slip-ons 71506, 71903 and 71554
  • Designed for track use, making it an ideal upgrade for dedicated race and trackday machines

Build Quality and Performance

Arrow has manufactured this header from premium stainless steel, chosen for its ability to withstand sustained high exhaust temperatures without warping, corroding or losing structural integrity over multiple hard sessions. The 60 mm outlet connection ensures a clean, leak-free join whether you retain your factory silencer or bolt on one of the compatible Arrow slip-ons. The result is a system that responds crisply to throttle inputs and maintains consistent back-pressure characteristics throughout the rev range.

Flexibility for Track Use

One of the most practical aspects of the 71718MI is how it slots into your existing setup. If you already run the stock silencer on your S1000RR, this header bolts straight on and immediately improves exhaust scavenging. When you are ready to go further, Arrow slip-ons 71506, 71903 and 71554 are all fully compatible, letting you build a complete Arrow exhaust system incrementally rather than in a single outlay. For the best results, a remap or ECU recalibration is recommended after fitment.

Important Notice

This header is approved for race use only and carries no road-legal homologation. It is intended exclusively for closed circuit and competition use.

Fitment and Compatibility

  • BMW S1000RR K67 — model years 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
  • Compatible with OEM silencer (retain stock slip-on)
  • Compatible with Arrow slip-on silencer 71506
  • Compatible with Arrow slip-on silencer 71903
  • Compatible with Arrow slip-on silencer 71554

Specifications

  • Brand: Arrow
  • Part number: 71718MI
  • Material: stainless steel
  • Weight: 3.10 kg
  • Outlet diameter: 60 mm
  • Fitment: BMW S1000RR K67 (2019-2026)
  • Use: race use only — not road legal
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