i would like to know if anyone has after market plugs in there xb is so what kind r u running and did they make a diff so lets here what you guys or girls did to make a little more spark in the xb

All Toyotas with plastic engine covers (like the Scions) have platinum plugs already in them good to 100,000 miles.

http://www.scionlife.com/forums/viewtopic.php?t=5257&highlight=spark+plugs

All Toyotas with plastic engine covers (like the Scions) have platinum plugs already in them good to 100,000 miles.
:arrow: In the owner manual it recomends that you change the spark plugs in the XB and XA every 30,000 miles

yeah 30,000 sounds bout right[/quote]