A man arrested following a fatal collision in Boothstown has been bailed.
Robert Crooks, 33, and Scott Best, 27, brothers from the Salford area, died following a multi-vehicle road traffic collision on Thursday 7 February 2013.
Their families have been informed and a dedicated Family Liaison Officer from Greater Manchester Police has been appointed.
A 28-year-old man arrested on suspicion of burglary and theft of a motor vehicle has been bailed until 26 March 2013 pending further inquiries.
Chief Superintendent Kevin Mulligan said: "This continues to be a complex investigation that stretches across the Salford and Bolton divisions and involves a number of different officers working on the various strands of the investigation.
"We also have a number of victims, not just the people who died in the collision but the victims of the original burglary in Bolton and all those living on Leigh Road who were left shocked and upset by what they witnessed that evening.
"I want to assure people living in both communities that we are offering support to all those victims and continuing to work with the people living in the areas affected to keep them fully updated with the progress of the investigation."
The collision happened at about 8.35pm on Thursday 7 February 2013, on Leigh Road, Boothstown.
Police were informed an Audi had collided with a number of parked cars, which in turn collided with a parked car, hit a wall and then collided with a number of other parked cars.
The collision caused a fire to start in the Audi and other parked cars.
Officers attended along with firefighters from the Greater Manchester Fire and Rescue Service and Scott and Robert were pronounced dead at the scene. Fire crews worked to bring the fire under control.
It is believed the collision is linked to an aggravated burglary at about 8.25pm on Thursday 7 February 2013, at a house on Boscombe Gardens in Farnworth.
Two men are understood to have got out of a silver Vauxhall Vectra, smashed a window and managed to grab the keys to the red Audi S4 Quattro parked outside.
Threats were made to a neighbour who was putting the bins out and both cars were driven off at speed.
The Audi carried the registration M50 UKC.
Minutes later, a red Audi and a silver car were spotted by a passing police car travelling at speed on Cecil Street, Walkden.
A short time later a police car travelling on Walkden Road towards the East Lancashire Road saw two cars driving at speed in the opposite direction, towards Leigh Road.
By the time the police car had turned round to give pursuit the vehicles were out of sight. At the time of the collision itself, police were still actively searching for the cars.
At no point did a pursuit actually take place.
A Vauxhall Vectra with the registration KA07 GLK was found abandoned a short time later on Mill Brow in Worsley.
Chief Superintendent Mulligan added: "We are continuing to appeal for witnesses to the aggravated burglary in Farnworth, to anyone who may have seen these cars driving at speed, and to anyone who may have seen the Vectra being abandoned."
Anyone with information should call police on 0161 856 4741 or the independent charity Crimestoppers anonymously on 0800 555 111.