Then you should buy performance intake manifold with big throttle body, and also high compression pistons. (mywikimotors.com)
Under the hood is a custom cold - air performance intake system, accompanied by tune, producing 525 hp and 610 lb. - ft. (sema.org)
Also it is better to do head porting, purchase big valves with valve springs and guides, also to buy performance intake manifold, HKS 3037 turbochargers, cams 282/282, cam gears, fuel injectors 1000 + cc / min, two Bosch 044 fuel pumps, etc.. (mywikimotors.com)