Quote:
Originally Posted by NJSierra
They dont make the airraid intake system for the GTO buy yes it is a nice system. Let's see (1) S & B intake system, (3) K & N intake systems, (2) VOLANT intake systems, (1) airraid intake system, and (1) AEM Brute Force intake system.
I have to say that the best of the ones I have tried go in this order. The latest purchase was the Volant Powercore CAI.
Ranking:
1. AEM
2. Volant
3. Airraid
4. K&N
5. S & B
I have also considered the True Flow intake system which looks nice and the new forgot the name canister style intake which looks really cool but was not available for the Sierra. I like the Volant due to the enclosed box. Since they made this new powercore filter which is dry i decided to give them another shot. Other than that, I would go with AEM.
Just my .02
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a closed box does what? what happens after the first microsecond and that air is used up? shielding from the engine bay is good but it's the source of the air that's important as well as the flow. the Volant isn't a bad intake it's just too much money for a little gain. if you like it for bling then that's cool if you have the cash. flow BTW is easily measured in MAP (manifold absolute pressure). a "100" means there is no restriction anywhere in either the filter, intake pipe, TB or manifold. high 90s (97-99) are realistic measurements under WOT. IATs close to ambient (3-5*) are desirable and the only measure of if it's pulling in cooler outside air. measurements from a dead stop up to WOT and the time it takes to get the lowest temp air are the benchmarks. no "feelings" as to the best is required. it's all measurable. as to the Pep Boys filter, they sell Spectre and the 9" cone Spectre flows more air than any of the commercial "C"AI filters. you don't have to have matching of "C"AIs to filters and the little power gain of any as far as SOP is in your head. you can't feel 5-8 HP. what you gain most from is cooler denser air, flowing freely so your timing doesn't get pulled and you pack the most O2 into the clyinder
