Home made LED lightbar will look Cool. It looks Futristic and 'hat ke' design. People ask and comment all the time- "wooW what's that? You made that?, kya cool hai yaar!" and It feels very good. Do not worry much about external looks. It will look best. Good luck. Scroll up a few posts and I have posted my LED lightbar pics. I think previous page or so.
Btree 1W Leds 10 PCS Original Branded Very High Quality 140 Lumens Watt | eBay
Btree LED Lens 10 NOS 120 Degree Lens Holder FOR Street Light | eBay
Any Idea about these products? Are they good enough to the get good results?