Quote: Originally Posted by
midnightmirror 
Is it normal for a stg3 car to backfire during deceleration? Like say for instance when u match revs to down shift.
stage 3 cars pop and backfire like mad.
on a full exhaust on downshift and upshift it would pop
on the 3" dump ..while shifting hard it would make some sweet ignition cutting noise , and backfire alot.
