Arrow INDY RACE CARBON END CAP Silencer - BlackBMW 450 F 450 GS - 2026Ref : AW1354 / 72697AKN

INDY RACE SILENCER CARBON END CAP by Arrow

Replacement silencer for road use made from "alu dark" aluminium body with a carbon rear end cap, providing a refined appearance and a construction designed for durability. Euro 5+ approval and compatibility with versions equipped with two lambda sensors to maintain engine management. Identifiable dimensions and fittings facilitate the evaluation of installation in the original position.

Design and materials

• Aluminium "alu dark" body and carbon end cap for an aesthetic finish and resistance to thermal stress.
• Stainless steel tubing and internal steel structure to enhance durability and limit wear from exhaust gases.

Safety and standards

• Euro 5+ approval ensuring compliance with emission requirements for road use.
• Integrated noise reducer and static noise level of 84 dB / 4375 rpm to estimate the acoustic impact of the installation.

Practicality and features

• Compatible with versions equipped with two lambda sensors to retain engine diagnostic functions.
• Welded mounting for a robust connection to the original support and reliable mechanical stability.
• Inlet 45.30 mm and outlet 50.00 mm allowing identification of necessary adapters or fittings for installation.
• Body length 250.00 mm to assess the footprint and positioning under the motorcycle.
• Absence of CO sensor and oxygen sensor in the silencer, information to consider for electrical compatibility and potential adaptations.

Usage and performance

• Measured power gain of +1.75 HP and torque gain of +0.98 Nm for a tangible improvement in engine performance during road use.
• Weight 2 Kg and measured mass reduction of -0.80 Kg compared to the original, useful for understanding the load difference during replacement.

Advantages

• Original installation position for mounting in the location intended by the manufacturer.
• Compatibility indicated for BMW F450 GS, information to verify according to the model year and motorcycle configuration.