[Thieleng]

This question has been probably answered many times but if someone knows a thread I can go to I want to modify the exhaust on my SPF, exhaust noise does't bother me ( I am hard of hearing anyhow, so what difference will it make) and I am seeking performance, the original pipes sound as if there is a lot of material floating around in it. Also the headers look like they could use some changing, I am running a Roush 427 (small block stroker) with fuel injection, looking for more performance.