Mandurah Detectives have charged two men with several offences after a police chase on Thursday morning.
Around 10am on April 16, a Ford Falcon sedan bearing a false plate was sighted travelling along Pinjarra Road.
Police lost sight of the vehicle before sighting it again a short time later on Teranca Road in Greenfields and activating their emergency lights and sirens.
It is alleged the driver of the Falcon failed to stop and continued travelling along Pinjarra Road, Husband Road, through a carpark, and onto the Kwinana Freeway.
It is further alleged the Falcon drove through various suburbs before crossing to the incorrect side of Pinjarra Road and hitting a police vehicle.
The driver was arrested as he exited the vehicle.
During a search of the vehicle, it is alleged police located and seized several knuckle dusters, a Samurai sword and a stolen rifle. Inquiries into these items is ongoing.
The driver was charged with reckless driving to escape pursuit by police, driver of a vehicle failed to comply with a direction to stop (circumstances of aggravation), no authority to drive and drove a vehicle with a forged, replica or false plate on a road.
He is due to appear at the Perth Magistrates Court today.
The passenger was charged with unlicensed possession of firearm ammunition.
He is due to appear before the Mandurah Magistrates Court May 8.