Kawasaki Ninja 400 500 Z400 Z500 SMOG Block Off Plate SAS AIS PAIR Valve AIS Eliminator Kit Suits the following:

Suits the following:

Oxygen Sensor

BLACK or SILVER

Fix exhaust popping & backfiring with aftermarket cans

UPGRADE / REPLACEMENT

Kawasaki Ninja 400 500 Z400 Z500 SMOG Block Off Plate SAS AIS PAIR Valve AIS Eliminator Kit Suits the following:SMOG BLOCK OFF PLATES The PAIR SMOG system feeds fresh air into the exhaust to aid in the combustion of unburned fuel. It was designed to improve emissions, but will cause problems with many aftermarket exhausts mufflers. Plate is machined from billet aluminium. Stainless steel bolts & washers, plus a high temp rubber airbox cap are supplied. Also includes a PAIR valve eliminator plug, to fool the ECU into thinking it is still connected & prevent it