Mazdaspeed 1.3 bar rad. cap questions

[$inCitySpeed3]

What do u guys think, seems logical...found them on ebay for 9.99...everywhere else they are 30+ i have found...anyways is there a difference i should be looking for

 

[TheMAN]

uhhh have you even looked at your s*** under the hood? there is NO radiator cap

and look at what it says on the coolant cap before replying to this thread ok?

 

[$inCitySpeed3]

my bust you can close this

 

[Davenow]

Even if there was a cap, there is ZERO reason to ever upgrade your cooling system if you are not having cooling issues.