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Arrow's 71139CKZ Competition full exhaust system is designed specifically for the BMW S1000RR (2015-2018) and S1000R (2014-2016).
This Arrow exhaust features a Race-Tech titanium silencer with carbon end cap, dB-Killer, titanium link pipe, and steel collectors.
Competition Exhaust:
- Designed for track use and high-performance applications
- Direct evolution of Arrow's SBK and Supersport race systems
- Built with larger diameter tubing and optimized flow paths
- Available in full titanium or mixed materials (stainless/titanium collectors)
- Hand-welded using TIG process for strength and precision
- Includes sensor ports for tuning and ECU adjustments
- Compact design with carbon fiber end cap and optional dB killer
- Not intended for street use (race only)
Specifications:
- Silencer Material Titanium
- Rear Endcap Material Carbon Fiber
- Silencer Inner Parts Material Titanium
- Mid-pipe Material Titanium
- Silencer Mounting Carbon Fibre Clamp
- Headers Material Stainless Steel
- Silencer Body Lenght (Mm) 220.00
- Junction (Inlet) Diameter (Mm) 65.00
- Junction (Outlet) Diameter (Mm) 58.00
- Co Sensor Plug No
- Oxygen Sensor Plug Yes
- Db Killer Yes
- Weight (Kg) 5.1
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