Talk me into Fenderwell Headers

I was going to make my own FW's but was going to make a set of Tri-Wy's (4-2-1) and that way along the back inner fenderwell It would reduce the used up area to just 2- 2 1/2dia pipes. It was all about getting the exhaust out and rid of the stock manifolds. HP and dyno numbers are irrelevent unless you run a heads-up no break-out class