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Depending on the size of the DI injectors on the mustang the new DW injectors may work...DW makes larger injectors for DI applications...but the most likely limiting candidate is going to the HPFP...might need to go with a cam that has a fuel pump lobe made for getting more flow out of it. We...

Cutting it while wrapped in masking tape helps a lot, then keep the tape on it when you put the capture nut through, once it is through you can remove the tape, trim any frayed edges and tighten the capture nut to the fitting...if you have heat shrink large enough it will make sure nothing frays...

I highly recommend PTFE hoses when building a system for e85, you want actual PTFE hose not PTFE lined or anything like that. When using e85 on CPE/Nitrile/lined hose you will eventually run into the hose cracking and leaking like swiss cheese. This is more likely to happen on the parts located...

Glad I went with making my own harnesses on my kits, I almost relied on theirs but making it myself allowed me to make sure it was wired right, add options like a hobbs switch, and also make the over all kit cheaper

This customer already had a Sai kit and needed a bit more out of his system to feed his nitrous as well. It was much cheaper to upgrade the pumps to walbro 450's than it would of been to buy a whole new fuel system. and I believe the clamps were part of the install kit from Walbro, don't recall...

those manifolds will fit the engine but might not clear the hood or be as beneficial since the 18manifold seems to be holding power to 7500rpm as it is

If you run out of fuel on the GT350 kit(Sai or mine) you "could" get dual BAPs which required you to spend another $550 or you can simply upgrade the pumps. I walked a customer of mine through upgrading to dual walbro 450's and now he has all the fuel he needs for only $220 more. upgrading to...

so far anything that fits in the valley of the 2018 should fit in the valley of a 2011-2017(which actually have more room since they don't have DI rails). The pulley set up should be the same too since all the accessories are in the same locations. The chassis didn't change so the heat...

$159.99+shipping is what Lethal charges for theirs. If you wanted me to make one I can prob get them done for closer to what their black friday was https://www.lethalperformance.com/lethal-performance-dual-pump-return-style-fuel-system-wiring-harness-mustang-gt500-shelby-boss-coyote.html

To save people the hassle I can prob offer the harness on it's own for less than the $170+shipping that Lethal has it for...This would be using a dual relay set up in a fuse box and OE connector for the pumps, wiring would be identical to what needs to be done for theirs - Connect reds to...

The PID's limit is a hair over 86#/min but the MAF will continue to work and the ECM will keep applying fueling corrections as needed. This is not limitation in the MAF, but a limitation in the SAE MAF PID. You can look at your MAF period and you will see that it continues to move even though...

Correct, 6AN is 3/8th, 8AN is the next size up

nothing wrong with a 8AN line, remember that the size of the line creates frictions which leads to pressure loss as the fluid moves from the pumps outlet and to the rails. This is the pressure loss you would be minimizing when going with a larger line. The pressure difference you save will lead...

It will be up to your tuner who will decide based on your set up. Normally 50psi with 1:1 reference will yield higher flow from your pumps and the boost reference will offset the pressure in the manifold. Highest I would do is 55psi(stock) with boost reference, and this is only if you need al...

yes, the fuel level wires need to be connected to the OEM wires. It's obvious which ones they are bc they are like 18 gauge wire...when the rest are 12 gauge Wait ti'll you get to actually wiring it all...takes about 2 hours...this harness was made for a customer who wanted the second pump on...

Here you go, the entire harness already made for you, all you got to do is plug it in, tap the FPCM and power/ground the wires. https://www.lethalperformance.com/lethal-performance-dual-pump-return-style-fuel-system-wiring-harness-mustang-gt500-shelby-boss-coyote.html

GT350 has a offset 6 pin, 2 row pigtail, the stock one is a inline 4 pin one, so they are not the same.

What are your goals? On3 supplies 300lph chinese pumps, these are the usual knock off ones you can find on ebay, but slightly cheaper, the billet hat is on point. You also want to upgrade to PTFE hoses if you plan to run E, so be sure to add that option. Don't forget you absolutely need a large...

The stock line as a return is something that has been done got ages, a quick connect in engine bay will let you route the return fuel to it. The main issue is the return hose is push lock right up to the tan where it turns to hard plastic that then goes to the fitting on the hat. You will need...

larger lines to mean more LPH, how ever fuel pumps also have a "open" LPH rating. This is the maximum fuel the pump is able to move when the outlet is open with no hoses attached. You cannot exceed it no matter how large a line you get. A 8AN line will have less pressure drop across the same...