The Air Induction System (ais) Burns Unburned Exhaust Gases By Injecting Fresh Air (secondary Air) Into The Exhaust Port, Reducing The Emission Of Hydrocarbons. Once These Are Capped Off The Air Injection System Can Be Safely Removed. These Smog/Exhaust Emissions Block Offs Plates Kit Are Made From Cnc'ed Billet Aluminum And Feature The Graves Motorsports "g" Logo.

There Are Two Reasons Why You Want To Remove The Air Injection System From Your Bike;
1. If You Are Using Your Motorcycle On A Closed Course (racing, Track Days, Etc.) You Will Want To Remove All Unnecessary Equipment From Your Bike For Reduced Weight And Ease Of Maintenance.
2. To Get An Accurate Air:fuel (a/f) Ratio When Dynoing The Bike. The Air Injection System Pumps Fresh Air Directly Into The Exhaust Stream In Order To Burn Off Any Unused Fuel. Unfortunately By Doing This The A/f Ratio Is Thrown Off By The Extra "fresh Air" In The Exhaust Stream. By Removing The Air Injection System You Can Achieve An Accurate A/f Ratio.

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Graves Motorsports Smog/Exhaust Emissions Block Offs Plates Kit For Yamaha + Kawasaki Sport Bikes (AB011)