I didnt know this existed until i saw a cardomain profile of a show car......... my optima demands it..... and it greatly simplifies the distribution from the battery, granted my second battery is in the trunk so thats why i say that ^_^

http://www.tsunamionline.com/product.php?id=477

and the price range.... i saw one for 100 and i saw another for almost 300...... sooooo yeah.... broad price range there

 

Eh. I prefer to have the dist block near the amps. That way you only have one wire to run. And Im lazy!!

 

*points up* it will be near the amps cause the battery is in the trunk ^_-