Quote:
Originally Posted by travislambert
I wish Hennessey would use SAE numbers instead of STD. Maybe that's just my preference, but it seems GM and most other shops are using SAE.
... and you don't really need headers or a CAI to make that kind of power on an LT4. The stock exhaust manifolds are pretty awesome and the airbox really isn't that bad either. All you really need is a tune to unlock the power (and I have the car to prove it).
I'm not saying aftermarket components aren't sometimes better, but IMO many folks are a little too eager to buy into all of the marketing when the stock components are actually pretty good (and in some cases better). Swapping components is a good way for shops to make money, but it's unnecessary in many cases.
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Before and after dyno results are the only way to truly determine that... independent tests by Joe Blow. Not the company saying their parts make power and showing dyno graphs.