Perforated Tube Insert (silencer) 20mm KRM 70 - 90

Perforated exhaust Tube

KRM Pro Ride perforated tube, spare part for the high quality racing exhausts from KRM. This is the 70 - 90cc version, it replaces the damaged or rusted original insert.

For perforated tube type silencers, the insulation wool is wrapped around a metal pipe with holes in it. The silencer wool is held in place and the sound waves pass through the holes into the damping material, which is responsible for the actual sound absorption.

Dimensions KRM tube:

• Inner diameter: 20mm
• Length: 226mm
• Sheet thickness: 1mm
• For KRM silencer, 70 - 90cc