HP boost ECU

:
Mazda Protege 2003 2.0L
Has anyone ever tried one of those cheap HP boost ships from ebay? lol they dont look like they wrk, just a hoaks to get like 20 dollars. has anyone tried them before? if they wrok ill buy one, but if not im not gonna.

the picture says like +20HP 4 7.95 or some crap.
 

New Threads and Articles

Back