"Just as the prospect of the people of the UK in a free election opting to change their government underscores the totalitarian denial of that right to the people of Northern Ireland when it comes to Stormont.
"If the Stormont system was applied at Westminster, then, despite the election, Cameron, Clegg and Miliband would all end up in Downing Street, with no opposition.
"How absurd. How unworkable, as we witness day, after day at Stormont. Yet TUV alone makes the case for democratic voluntary coalition plus opposition at Stormont, such as is likely to evolve at Westminster."
Mr Allister also said the DUP had "over-hyped" its potential to have influence in a hung parliament, and criticised the DUP for allowing MPs to be MLAs at the same time.
The manifesto, entitled The Real Alternative, said there should be no further devolution of powers to Stormont.
It also called for the development of Belfast International Airport to be prioritised because of increasing competition from Dublin Airport