Both. Which ones depends on your resto. You can not really see them once the filler panels are installed. Last year when I did mine I just went to Oreilys and bought the loud one's, I think they are hi-way blasters. They sound like normal 60's to 70's American car horns, and plenty LOUD. They compliment my finger very well when necessary.
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68 Firebird, trying a q-jet now. 434/10.5:1/997's/240-242 HFT/4L80E/2800 Yank/3.42's/ Vintage Air/ 13.0 @105 mph
70 Lemans, 350/350, A/C, mostly stock
14 Ram CC, 5.7 Hemi, 8-speed, 3.92 lsd
97 Trans Am, HPP Aug 2012
http://www.highperformancepontiac.co...tiac_trans_am/ ***Sold***