Can you buy one header?
^No, street torque is all about 1,000 to 3,500rpm. Manifolds are perfect for this. Headers are all about high RPM scavenging. Quit trying to half-*** it, save your money take your chances. These cars are toys, and you've got to pay to play.
Supporting documents you want?
http://www.moparmusclemagazine.com/...0307_mopar_crate_engine_exhaust/photo_17.html
Bam. Have a great day.
There are several problems with that test to draw accurate supporting evidence from it for your conclusions. The first issue is the engine itself. It is a low powered engine with cam timing equaling a broom stick. At this level, the headers show the best torque output for where you drive. The top end where you rarely are show a pretty close output between them all and only a drag strip would show the differance between them.
Headers are not just for what your saying. They do indeed show power in teases across the board. There s the best bang for the buck on power output increases. Where they show themselfs best is on more powerful engines.
A good example in that test is the tti headers. They look lame on the comparing test. But we actually do know that there capable of over 500. A good bit more than the exhaust manifolds.
Be careful when pointing to a test/comparison. Not all the players are playing there best on a single engine dyno run. Increase the engine perameters for more power (11-1, solid roer @ 256 @ .050, 800 CFM carb, fully ported aluminum heads, single plane intake, etc..)
and the exhaust manifolds look lame. The regular headers perdo well and the TTI's blow everyone out of the water.
What that test, the mag did. What it said to me was, on this engine, the more expensive headers may not be worth the expense. Pick your poison. Pay your bucks.
