I got my wire here http://www.knukonceptz.com/
I would say about 6 ft for all the grounds and 5 ft for the power wire if your going to run by the radiator to the battery like I did. Then you will also need ring terminals so total cost should be around $50 because its the best wire you can get...
Brand & model: Alpine PDX M12
Price paid and from where: Paid $350 and brought from ebay.
Pros: Very small and light. Has plenty of power and I like the quick disconnects.
Cons: None
Final verdict: Would definitely buy again but can be kind of expensive if brought new but well worth it...
Brand & model & size – ZE-912 (HP) 205/65R15 94V
Price paid, Mileage – about $90 each and 15,000 miles.
Pros – good trend
Cons – loud on the highway
Final verdict – I would try something different but for the price theses tires did great.