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  1. Mach 1 vs Dark Horse Exhaust Note - Want to Install On '15 GT

    Hey everyone, I'm interested in installing the ford performance M-5200-ACT1 kit (https://performanceparts.ford.com/part/M-5200-ACT1). It includes the Mach 1 mufflers and comes with the added bonus of the diffuser and a new rear valence. I'm wondering how close this sound is to the new Dark...
  2. Exhaust Recommendation Based on Sound Profile

    Yeah the more I looked into AWE the more I realized it was a bit louder. I’m not stuck to being super quiet. I just don’t want a really loud exhaust. Would you say maybe “middle of the road” or your neighbors don’t mind kinda volume? This system sounds interesting. Like a half way point...
  3. Exhaust Recommendation Based on Sound Profile

    Hey Everyone, Been watching lots of sound clips trying to find the right exhaust. I know this is very subjective, but my main constraints are: 1- Sound characteristics and tone I’m looking for. 2- Quieter side of exhausts. Not super quiet. But I’m not a fan of really loud exhausts. So far I...
  4. San Diego, Temecula, Orange Area (Corona, Riverside, LA & Imperial County)!

    Thanks for the info! My car’s been out of commission for almost 3 months now which has been torture. First due to repair, then some fun mod installs, and now more warranty repair. But I should get it back any day now and hopefully have time to check out one of those meets.
  5. San Diego, Temecula, Orange Area (Corona, Riverside, LA & Imperial County)!

    Hey Everyone, here’s my 2015 GT. I live near Pacific Beach in San Diego. This is the first car I’ve ordered and bought new. Finally getting some time and funds to modify it a bit. I take it to HPDE track a couple times a year. Hoping to do more of them. I’m curious if anyone knows some good...
  6. Thump w/ Medium to Heavy Acceleration from Stop in 1st Gear Only

    Damn. That’s really lame. I’d try another dealership if you have one near.
  7. Rear camber adjustment @ home

    Reviving this thread after searching for a bit. I'm looking to adjust my camber at home and I've just installed Steeda's rear camber mount adjustment kit to add the eccentric bolt to make it easier. I'm curious how professional shops even access this location and are able to get the bolt...
  8. Thump w/ Medium to Heavy Acceleration from Stop in 1st Gear Only

    Got it back! I’ve only done about 10 miles so far. All of the noises are gone from the 7 or so times I tried to get the thuds to happen. Did some pulls from a stop at varying degrees acceleration. They replaced the full driveshaft assembly and the transmission mount isolator with factory parts...
  9. Thump w/ Medium to Heavy Acceleration from Stop in 1st Gear Only

    Still waiting. Going on a full month now that it’s been at the shop. Pretty certain they put other vehicles ahead of mine and they’re short staffed. I’ve been promised it will be done this Friday.
  10. Thump w/ Medium to Heavy Acceleration from Stop in 1st Gear Only

    Parts took a while to come in and then my tech at the dealership got covid so… hoping to get it back any day now. Will let you know.
  11. Procedure for Measuring and Adjusting Bump Steer?

    Hey Everyone, I'm curious on the procedure involved to properly measure and adjust bumpsteer on our S550's with adjustable camber plates. I feel confident in most of what's entailed. However, the one element I'm not clear on yet is how to go about measuring bump steer without upsetting...
  12. Thump w/ Medium to Heavy Acceleration from Stop in 1st Gear Only

    Looks like the Steeda replacement bushings are most likely related to the Whiteline kit. I downloaded the instructions from both Steeda and Whiteline and they are identical just with the Whiteline logo removed. So I'm moving forward with the Steeda Kit.
  13. Thump w/ Medium to Heavy Acceleration from Stop in 1st Gear Only

    I did some research and had decided to go with the Whiteline KDT933 bushing kit. But it's was recently discontinued. Unfortunately, I spoke to the North American office for Whiteline and was told they stopped it due to the bolts failing. They informed me that some version of the kit is being...
  14. Thump w/ Medium to Heavy Acceleration from Stop in 1st Gear Only

    Heard from the dealership today and they diagnosed that: The differential to subframe bushings are torn. The driveshaft center bearing is worn out. The driveshaft coupler is torn. Apparently Ford doesn't make replacement bushings for the rear subframe so they typically order an entire new...
  15. Thump w/ Medium to Heavy Acceleration from Stop in 1st Gear Only

    I have the Steeda Subframe Bushing Support System and Support Brace sitting in my garage. Those are a few of the parts I plan to install, and maybe they will solve it too. But as excited as I am to install it all right now I'm gonna wait. I'll take my car in and see if they find anything...
  16. Thump w/ Medium to Heavy Acceleration from Stop in 1st Gear Only

    My car has had a slight thump/thud noise almost since the car was new. I feel over the years it has slowly grown more noticeable. It occurs when I accelerate without slipping the tires under medium to hard acceleration. Almost immediately as my car begins to move from a stop the thud or...
  17. Caster Adjustment for Alignment After Suspension Upgrade

    Found a good article that helps with the caster equation here: Wrench Tip: How to Do Your Own Alignment! - MotoIQ
  18. Caster Adjustment for Alignment After Suspension Upgrade

    Gotchya. Good to know. I don't mind doing some math to figure it out. I was planning to use the 20° steer angle method. Since I have a digital angle finder I'll hold off on buying a C/C gauge. I'm gonna check the caster just to know even though it's fixed.
  19. Caster Adjustment for Alignment After Suspension Upgrade

    Hey everyone, I'm upgrading my suspension with the FPTP and a few other items. I plan to do the alignment at home when I'm done with the install. I read in a few places that caster doesn't really need additional adjustment with the S550 platform since its around 7 degrees from the factory...
  20. MT82 Manual Transmission Fluid and Rear Axle Fluid Change

    Wow nice. How did you figure out that measurement?


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