exhaust??????????????????

[tinner]

i am getting exhaust put on my 65 fastback . the car will soon have a small block stroker motor that will put out around 400 to 450 hp. im going load mybe 1 or 2 chamber flows and a h pipe . my question is what size pipes do i go w/ the collector on my long tubes are 3"????????


p.s. has any one put single camber flow masters on there car will they even take 450 hp?????????

thanks,
tinner