Hey guys,

Couldnt think of anywhere to put this so general discussion its become.
My friend has just bought a Subaru impreza RS 2.5L with abotu 115k clicks on it. When he drives it just recently when he picked it up, it makes a thump as tho theres a flat tire, on each revolution. Its not hugely noticable, but it certainly wasnt there when we test drove it.

I'm not sure how else to describe it, but it becomes more noticeable with speed and only brainstorming i  could come up with is, as tho something under the car is bent like something to do with the axel or wheels.
The car is stock.

If anyone has any info or knows what this could be, give me a heads up.

Cheers guys

Dane