Graves Yamaha R1 Cat Eliminator Exhaust System

Description

Graves Yamaha R1 Cat Eliminator Exhaust System. This catalyst-replacing exhaust is designed for the application listed below.

Specifications and features

• Pipework: titanium.
• Silencer body: carbon fibre.
• Silencer length: 265 mm.
• Diamond-profile silencer.
• High-temperature titanium tubing with a 1.00 mm wall.
• 4 mm titanium spring tabs.
• Lambda-sensor connection for the specified tuning arrangement; the sensor itself is not included.
• Integrated silencer mounting bracket.

Fitment

• Yamaha R1 R1M R1S 2015-2026

Installation and use

• Replaces the original catalytic-converter section.
• Manufacturer specifies closed-course competition use only; this is not a road-approved exhaust.
• Match the ECU calibration to the exhaust configuration. Any quoted development performance depends on the associated intake and tuning setup; tuning equipment is separate.

Manufacturer part number: EXY-15R1-CETC-2

Published measurements

• Published weight: original 18.8 lb; Graves 4.4 lb.
• Graves sound: 90 dB at idle; 106.5 dB at 5,000 rpm.

Manufacturer test figures are shown at the stated engine speeds. Track noise tests may use a different method.