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...but that is what we have. If you are going to split the engine in half and say it's only 3 cylinders, you can't then follow that up with "but we have a dual 2.25" exhaust." If you split the engine, you split the exhaust. So if you want to say half is a 3 cylinder with a turbo, with a...

I had this big thing typed out, addressing the various points in what you said above, but I scrapped it. It's just too much, and I'm not trying to pick a fight. So here's my responses in bullet form: Corky Bell is a smart guy. But he can be wrong. And there are a number of books on...

Yup. And what @TMac is saying in his threads with regard to pipe diameter, velocity, all that stuff is super, super important on non-turbo'd engines. You are 100% correct in that larger was not better, and the area calcs that TMac talked about regarding dual pipes vs single, all relevant...

Thanks!

Don't sell yourself short :) It sounds really hard when you talk about it, and when you think about all that has to come off it sounds really hard, but in practice...it's actually totally doable. It's mostly just popping panels off. It's really not too bad all. But I totally get wanting a...

Oh, furthermore, the ST OEM exhaust is 2.25" in diameter. It does not "neck down" to 2.25" in one spot as I've seen mentioned. It is 2.25" all the way through. I know this, because my OEM exhaust (cat back all the way to the tips) is sitting in my garage and I literally just measured it. The...

Yup, I read all those. Your theory is sound; I felt like I was reading Corky Bell's Maximum Boost again, specifically the section on Exhaust Systems (section 11) - completely sound...for a NON-TURBO engine. Turbos work very differently from superchargers (even though the net result - producing...

Not sure what the OP is talking about regarding it being slower - but I can say that on a TURBO vehicle, the larger the exhaust (especially starting at the turbo), the better. This talk of a dual 3" exhaust making the vehicle slower is silly. If one wants to argue that it's not any faster...

I just posted this: (1) Added a Rockford Fosgate Amp and JL Audio 10" Sub | Explorer ST Forum

I think the issue actually has to do with the case - I have a 13 Pro (not Max) and when I had a non magsafe case on it, I think it was charging just fine. Once I put the magsafe case on it, I started getting the misalignment error message. I'll double check tomorrow by trying to charge the...

And That's It! As for the subjective part...I think it sounds really great. I wasn't all that impressed with the OEM sub. I don't need to rattle windows or anything, but I do like a little more down low. I debated just replacing the OEM sub with something else, but the issue ultimately would...

And Now for the Hard Part: the Amp Ground and Power Cables First, we'll do the GROUND cable. The Ground is the easiest of the two, so we'll start there. I'll show you where I put the ground, but you are welcome to put it wherever you want. Just make sure that it's a good ground to the...

Removing Trim Panels for Signal Wire Routing Okay. The next step is to route the high-level input speaker wire from the amp that is installed under the passenger seat all the way back to the OEM sub signal wires. I chose to route these back along the passenger sill plates, under the 3rd row...

Removing Trim Panels to Access OEM Sub (continued) Next is the D pillar: Pop all the fasteners free circled in BLUE - but do NOT remove the 2 BLUE ARROW fasteners. Once all the other fasteners are free, slide the whole panel down, in the direction of the BLUE ARROWS. Those two fasteners...

Removing Trim Panels to Access OEM Sub Here's the panels that I removed to get access to the factory sub and wiring (and the fastener locations on the backs of the panels, so hopefully you won't break any!). Pop out the ORANGE fasteners first. Then pop out the BLUE ones. Disconnect...

Okie dokes. Long story short, I wasn't thrilled with the bump from the OEM sub. It was okay, but I wanted more. I considered swapping out the OEM one, but then I'd have to figure out the OEM amp, is that enough for the new sub, blah blah blah. Anyway, I decided to just tack on a new amp and...

Hi everyone, new member here. I got my 2020 Explorer ST back in December 2019, had it for a while now :) I've kept it pretty much stock (it's the family hauler), the only mods are a Thermal R&D 2.5" cat back exhaust (sounds really good), and a J&L catch can. I've also got a Thule roof rack on...

I'm a little late to the party, this thread is old-ish, sorry about that. I just found this site :) This is not really correct. While it is certainly recommended to replace rubber lines with SS braided lines, this is not the FIRST thing one does, and it certainly is not the cause of brake...