The external mirrors are not large enough to eradicate the rearview blindspots particularly when overtaking. I find that I have to check over my shoulder to make sure that I have not got someone there in the blindspot area. semi truck engine repair

None . .

always played everything i could through at it and took a licken and kept on ticken!

none what so ever

hi there i have had 3 of these gti 15s in my 96gmc Z-71 ext cab truck in a 4 cubic foot ported box that jbl recommends for this sub and it rocked very hard i used 3 jbl 1200.1 amplifiers 1 on each and the sound quallity was very good no port noise or popping of the subs i could play anything and it sounded great every time and i could easily do spl compititions very nice sub pricey but worth it i still have 1 left the newest series and i am deciding if i was to use it in my truck or not as i recently switched to 1 10inch power series and put it in my factory console useing a box that mtx makes and it bolts right in there and looks and sounds pretty good as well! all around great sub!

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i have owned pretty much every sub out there and these are bye far my favorite and will continue buying them all thumbs up for this awsome heavily built sub!