Arrow Exhaust Pro-Race KTM Duke 125/390 21-23 71936PRI approved

Installation

— KTM DUKE 125. The KTM Duke 125 allows different optional configurations combining both the original KTM and Arrow collector, central link pipe and exhaust:

• With original collector: Both the original exhaust and the Arrow 71936PRI exhaust can be installed directly with the original KTM collector through the original central link pipe
• With Arrow 71763MI collector: This racing collector can be interchanged with the original collector and connects directly to the original KTM central link pipe
• With Arrow 71764MI collector: This racing collector is a "collector + link pipe kit" that replaces the original collector and central link pipe and is also compatible with the original exhaust

— KTM DUKE 390. The KTM Duke 390 allows the following configurations:

• With original collector: Both the original exhaust and the Arrow 71936PRI exhaust can be installed directly with the original KTM collector through the original central link pipe
• With Arrow 71765MI collector: This racing collector can be interchanged with the original collector and connects directly to the original KTM central link pipe

Specifications

• Pro-Race line with a trumpet shape, heir to the silencers that began to be used in Moto GP in the early 2000s
• Assembly of the Pro-Race silencers carried out with TIG welding
• They are manufactured by assembling a piece of cone together with an end part made from the section of a cylinder (diameter 98mm)
• An exhaust with the highest quality materials for your KTM bike: New special stainless steel alloy (Nichrom) in the body, inside and in the rear end of the exhaust

Compatibility