Originally posted by Vapor
theres nothing wrong with the 2.5, there are things that can be done, such as cold air intake, exhaust, header, remove the balance shafts, etc. Don't discount the motor b/c it's not the best one available.
Funny. People don't say that when you mention the new SER. Once it is the QR25 in a Sentra it's a piece of shit, but when it is in an Altima then "theres nothing wrong" with it.