Exhaust set up for 450 hp

[1BAD89]

Drag car only....open long tube headers will give you best results. No X or H pipes....

That's not true, that's old school thinking. It's been proven over and over, an X-pipe will make more hp/tq than open headers on moderate hp drag cars. I'm not talking top fuel race cars, rails, or 1000 hp beasts. With 450 flywheel hp, an X-pipe and 3 inch exhaust will suit you best IMO.