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  1. S650 Brakes

    I am not entirely certain what you mean by "they," but if you are discussing the GT performance pack and the Dark Horse handling package, they are not the same brakes. The Dark Horse has 15.4" rotors. I believe that the rear rotors are larger, too. Magneride is standard, and, of course, the...
  2. Introductions & Welcome Thread đź‘‹

    How do I post an avatar or photo for the forum instead of that grey box with a white torso and circle for a head to the left of this text?
  3. Whipple installed on 2025 Mustang GT

    Yes, that was my question, about the one piece driveshaft. Will the factory driveshaft not live?
  4. S650 Brakes

    My Dark Horse with the handling package impressed the hell out of my instructor at Road Atlanta with its brakes. It impressed the hell out of me, too BUT These tires are not great for a daily driver. Everything sticks to them and then gets thrown up under the car, and they are terrible if...
  5. Whipple installed on 2025 Mustang GT

    What does this do to your daily driving experience, NVH, that sort of thing?
  6. Introductions & Welcome Thread đź‘‹

    Thanks, guys. I love the color. Michelin Road Atlanta. This is, I think, uphill after The Esses, turn 5. You can see by the suspension and tires in this picture that I was pushing it to the best of my ability. I don't know how accurate those accelerometers are on the dash, but I had 1.14 G...
  7. Introductions & Welcome Thread đź‘‹

    My Dark Horse - bought it last week and hit the track last week.
  8. Whipple installed on 2025 Mustang GT

    Stage 1 or 2? Pulley size? What was the result of that pull?
  9. Kooks Long Tube Headers

    https://www.mustang6g.com/forums/threads/whipple-tune-w-kooks-green-cats.107991/ Guy on mustang6g.com reporting it took a week to trip the CEL. 7th generation there is no way to tune around it. Lots of talk there about them not holding up to the Whipple, too.
  10. Kooks Long Tube Headers

    WOW Internet says apparently these will pass your car even with a check engine light if the exhaust emissions are within spec.
  11. Kooks Long Tube Headers

    Excellent post, by the way. The "sniffer" has no application to S650 cars. Anything that shows a relevant system is not ready yet, and they tell you to come back later, as it will not pass. Anything that trips a check engine light means a failure. I do not see a way around the catalytic...
  12. Kooks Long Tube Headers

    They hit them with a hammer where you live?
  13. Kooks Long Tube Headers

    With respect to the bolded in your post, in Georgia, they are required to look for catalytic converters. While the 20 bucks they get paid on one inspection may not mean much all by itself, that is not even close to what is at stake. The failure to check for catalytic converters can put them...
  14. SPE says they have tuned a 2024 mustang

    So that was last weekend. Were they reviled? What happened?
  15. Kooks Long Tube Headers

    Not in Georgia. The inspector has no discretion here. The machine tells the inspector pass/fail and why and that is that.
  16. Driving in sport mode--GT with manual---has less off the line in sport mode vs. normal

    ZXMustang, thank you for making the attempt to explain it to me, but, like AZ_Ryan, I am not following at all, sorry. I must be missing some things about tuning that would enable me to understand what you are trying to teach me.
  17. All season tires for Dark Horse with handling package

    I took my Dark Horse to the track Friday, and I absolutely love the Trofeo RS 305/30R19 (F) 315/30R19 (R) tires. Love them. They are also fun on the street, but they were great at the track. However, they are not suitable for the rain, and they pick up gravel like crazy. I also cannot...
  18. Driving in sport mode--GT with manual---has less off the line in sport mode vs. normal

    ZXMustang, Could you give me a "For Dummies" explanation of what I am looking at? I find this chart intensely interesting, but I guess I read it the same way Zig did, that those torque limits meant the engine would not put out more than 376 lb ft of torque to protect the transmission. But...





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