Originally Posted by
rtenzo02
Good point ! Nanotech is said to weigh 294gr as Smc is 305gr. Can you tell me if the Smc Race spec 2s are much better (punchier) than the factory spec , worth it as far as what ever the price difference may be ?
I've never used the spec packs; i've only owned the racing formula but i would be surprised if there was a HUGE, noticeable between the two in a real world test.