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What did you do to your S550 Mustang today?!

ice445

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I have bad knees and was kneeling on the garage floor, so I’m hobbling a bit LOL.
It sucks but every time you do it, it gets easier. It's quick to drop the glove box, and I found just sitting on the passenger seat while it's all the way forward makes it less terrible on your back. Lol. Also a bit attachment for a ratchet for the torx screw helps.
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raptor17GT

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6 months ago I installed 2018+ active exhaust on my 2017, I had cut open the valves and soldered wires directly to the motor, and wired a 6 position switch to open/close the valve. I had cut the original valance to fit the 4 tips and it was installed badly by the other shop. Decided to try out this GT500 style valance from ebay. I went to a different shop and they did a good job getting it installed in a good position.

WhatsApp Image 2025-03-10 at 11.15.02_3cc8f182.jpg
WhatsApp Image 2025-03-10 at 11.15.02_f1c7f228.jpg
looks great. How / what did you use for the 6 position switch and wire it up?
 

Mustangcol

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looks great. How / what did you use for the 6 position switch and wire it up?
These are the products I used. And I sketched a quick wiring diagram and detailed it best I can. If you find the active exhaust valves with the OEM harness, I don't remember if it already has the splice. I think it does.

https://www.amazon.com/dp/B07LBMM8JX?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1

https://www.amazon.com/dp/B0D5BBWVKB?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1

https://www.amazon.com/dp/B08QJHXRN6?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1

1741696352591-tu.webp
 

RowdyRam

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You must have x-ray vision. :like: (The dent, thankfully small, is on the driver's side above the wheel well.)
I've been getting the car ready for the PITS event.
Hope you have a great time at PITS.

I think he's referring to this optical illusion caused by the reflections in your very nicely finished paint:

1741701385244-gy.webp
 

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RazzaRossa

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You must have x-ray vision. :like: (The dent, thankfully small, is on the driver's side above the wheel well.)
I've been getting the car ready for the PITS event.
Yes, that odd reflection at the peak of the rear wheel well looks like a dent to me too.
 

Snakebyte

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Yes, that odd reflection at the peak of the rear wheel well looks like a dent to me too.
Ah...I see what you mean. Actually I initially thought you were speaking of the undulation around the stripe in front of the rear tire...which looks extremely odd as well. Not such a great photo angle was it?

Here are some sample pics, below, that I took during my photoshoot today. You can see additional pics in the Ingot Silver thread Snakebyte's 2019 Vert

Nellie (1).jpg
Nellie (8).jpg
 

raptor17GT

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These are the products I used. And I sketched a quick wiring diagram and detailed it best I can. If you find the active exhaust valves with the OEM harness, I don't remember if it already has the splice. I think it does.

https://www.amazon.com/dp/B07LBMM8JX?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1

https://www.amazon.com/dp/B0D5BBWVKB?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1

https://www.amazon.com/dp/B08QJHXRN6?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1

1741696352591-tu.jpg
Nice one, many thanks for extensive description and parts list.
 

acemastr

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6 months ago I installed 2018+ active exhaust on my 2017, I had cut open the valves and soldered wires directly to the motor, and wired a 6 position switch to open/close the valve. I had cut the original valance to fit the 4 tips and it was installed badly by the other shop. Decided to try out this GT500 style valance from ebay. I went to a different shop and they did a good job getting it installed in a good position.

WhatsApp Image 2025-03-10 at 11.15.02_3cc8f182.jpg
WhatsApp Image 2025-03-10 at 11.15.02_f1c7f228.jpg
I did the switch method too. It caused me problems in quiet mode when I put the supercharger on with not enough flow. Just keep in mind.
 

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cerbomark

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So the driver side rail hangs a bit lower than the passenger side rail front to back for whatever reason. The seam sealer material wasn‘t an issue during installation. Just manufacturing abnormalities with the car and or rails and nothing to worry about? Trying to keep my OCD at bay
did you measure both? Then measure height from somewhere else like top of wheel well on both sides. See if whole car is lower on one side. I m sure the rails are the same height against each other. . Just not sitting flat or the whole car is lower on one side. ????
 

skinnyb

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You must have x-ray vision. :like: (The dent, thankfully small, is on the driver's side above the wheel well.)
I've been getting the car ready for the PITS event.
Can't wait for PITS.... And if you can coordinate, we have a fantastic PDR guy here locally that is a HUGE Mustang guy, and does fantastic work. He has a GT500 and his son has a 350.... Dent Tamers...
 

Mustangcol

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I did the switch method too. It caused me problems in quiet mode when I put the supercharger on with not enough flow. Just keep in mind.
I imagine the baffles are too restrictive for a high horsepower set up. The baffles work too good.

Either way, a supercharger is out of my budget bc I've been looking for a KTM 390 Adventure to get around. I'm in south america so the lowered mustang can be difficult. And our yamaha aerox isn't any better :)
 

cerbomark

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Thanks, cerbomark - I didn’t think to measure the driver side car height vs passenger. Sure enough, the passenger side is about 1/4 higher measuring the bottom of the side skirt to the floor. I’m curious what this implies
I don t think it means anything. I measured mine and first, the floor could be off anywhere from where the wheels sit to your measuring point. I checked mine and get almost the same 1/8 to 1/4 inch. The car will sit differently with different fuel amounts, lots of variables. if you ve not done suspension mods or similar I wouldn't t think about it too much more. just my 2 cents.
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