A couple comments regarding fuel system things:
S1.SE vs S1.E = There is no doubt the S1.E will be able to reach your goals. There are just 2 reasons to consider the S1.SE. Since it includes the billet rails, it eliminates the factory fuel rail delivery pipe at the front of the engine above the passenger valve cover. The fuel rail hoses come in and out at the rear of the engine, removing some visible clutter from the engine bay. In the case of the Stillen kit, customers have found this convenient since this part of the engine bay is already very cluttered with that kit.
The other purpose is that you'd already have the rails if you decided to upgrade the vehicle further in later phases. We have a new 370z twin pump that is PnP with the S1 kits (already installed and testing in a few cars), and there will be a S2 hose kit to follow this winter or spring. The S2 hose kit will require the rails.
My intention is not really to up-sale anyone, just to explain why someone might choose to when either option will meet their current needs.
A side note: Regarding the current S2.SE kit on our website, for anyone curious... its unofficially discontinued right now. When the S1.SE update came out last year, that S2.SE became mostly pointless, and the new S2 stuff coming is going to run over it.
CJM Billet Top Hat: Definitely worth getting if I may say so myself, with whatever fuel system you choose. Just for the sake of reliability if nothing else. One note.. if you order it at the same time as a S1.E or S1.SE fuel system, you can skip the $85 install kit. This is because we will automatically swap out the S1 kit's stock hat install kit for the billet hat install kit at the time of shipping.
Walbro 450 pump: Despite many retailers accidentally calling it a "485", its actually a 450. There are 2 versions of it... F90000267 and F90000274. The 267 was the first one to come to market. Then the 274 was later released with a higher pressure relief in it. It will flow more at higher pressures than the 267 due to this. Either one should meet your goals... just know that not all Walbro 450s are the same anymore.
Flex Fuel: While not indicated anywhere on our website, if you contact me via PM or email, we have a pretty inexpensive and convenient little fitting kit that makes splicing the flex sensor into your fuel lines very simple. This can save you some fiddling around during install.
Fuel Clips: They are now $15 each rather than $10. We just got a new batch of them back and they are beefed up a little more now and our cost went up a couple bucks.
Hmm thats all I can think of off the top of my head.
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