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  1. S650 Dark Horse – Stock Exhaust Pops/Backfire & Noticeably Louder After Break-In?

    TL;DR: Stock Dark Horse exhaust has gotten noticeably louder after break-in and now pops/backfires on decel between ~3,500–1,000 RPM. Also does tracking the car and keeping it high higher RPMs and heat breakdown the exhaust packing quicker.Looking to confirm if this is normal behavior. S650...

  2. Dark Horse – Rear Suspension Creak at Low Speeds

    what grease is best, is there one that has no smell and is meant for latches?

  3. Dark Horse – Rear Suspension Creak at Low Speeds

    Put the seats down the creeks and squeaks went away. So you’re saying they have to put grease on the latches or inside the seats where it latches onto the bars? Is it from the chassis twisting or is it just from the bumps cause it only happens at low speed and when one side is loaded in one side...

  4. S650 Dark Horse – Heavy Rain → Dead Battery, Fogged Windows, Damp Carpet

    That’s a great suggestion—very smart way to quantify what’s going on instead of guessing. I actually have a digital temperature/humidity monitor already, so I’m planning to try something similar. My car isn’t garage-kept, but I still think it could be useful to document baseline humidity levels...

  5. S650 Dark Horse – Heavy Rain → Dead Battery, Fogged Windows, Damp Carpet

    Update – Dealer Findings & Technical Questions Dealer reports no confirmed water intrusion in the passenger carpet or underlayment and no corrosion at the PCM or wiring connectors. Windshield/cowl area was resealed and a controlled water test passed with no leaks detected. From a technical...

  6. Dark Horse – Rear Suspension Creak at Low Speeds

    They put the noise ears on the suspension and said it is bad sway bar bushings and ordered the parts. To me it seems like it may be something else

  7. Dark Horse – Rear Suspension Creak at Low Speeds

    I’m getting a creaking / groaning noise from the rear suspension at low speeds, especially during slow turns, uneven pavement, or when one rear corner is loaded (driveways, parking lots). The noise seems to come from under the car in the rear suspension/subframe. It’s load-dependent, most...

  8. S650 Dark Horse – Heavy Rain → Dead Battery, Fogged Windows, Damp Carpet

    Yes, that’s most likely the case. I’m aware of the water intrusion recall and the vehicle is already scheduled for the repair. I’m mainly trying to see if others who experienced the same intrusion also had similar secondary symptoms (battery drain, electrical shutdown, or hidden moisture under...

  9. S650 Dark Horse – Heavy Rain → Dead Battery, Fogged Windows, Damp Carpet

    TL;DR: After two days of heavy rain, my Dark Horse had a dead battery, complete electrical shutdown, fogged interior windows, and damp passenger carpet. Dealer later found no active leak. Looking to see if others have experienced similar symptoms. After two days of heavy rain, my Dark Horse...

  10. BCM recall - photo of one being fixed

    2024 Mustang Dark Horse – Water Intrusion & Battery Drain After two days of heavy rain, my Dark Horse triggered a StarGuard “power disconnected” alert. The key fob was inoperative and the vehicle had no electrical power. Battery voltage measured approximately 3.0 V. I jump-started the vehicle...





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