I kno this has been asked b4 but cnt remember the responses my spoiler is now due 2 go on shortly and i wonder weather its best 2 use the 3 bolts i got with it where i wud have 2 drill holes or weather theres an amazingly strong glue i can glue it on with also any1 kno weather a sportex boxsta exhaust 4 a sporting wud fit a 900?