side exhaust routing

[i heart square bodys]

I have an 86 long-box Chevy, I wanted to bring the exhaust out at a 45 degree angle in front on the rear wheels on each side, I have found that this is a problem because of the gas tank location. I have seen this done before and I was wondering how it was done . also just wondering if its possible to have both pipes come out the side opposite of the gas tank and still remain true duals. thanks to anyone that can help me out !