bro..still have promo price?

its a good item..lucky i got it on promo price..=)
nice seller and quick response..

this is wat i got..
-light more brighter
-slightly better pickup
-better acceleration
-sound system-cant tell teh diff
-fc - dunno yet..update later..

bro icecube..just curios..
can i unplug this thing when i drive? dun hav effect on engine o battery o wateva system the car hav?