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  1. Exhaust rasp solutions.

    Go with the stock resonator, it will stop the rasp but still provide the current overall sound level.
  2. 3.15 Gear ratio, what tire size?

    Go with the 305/45r17 (28 inch) Mickey et street r . The taller tire improves traction and assume you have a 10 sp auto with the gear ratio so out of the hole you will be good. Any weight savings of the shorter tire will be lost to less traction out of the hole.
  3. Borla Resonated H pipe...not what I was expecting

    On my 2015 GT I installed GT 350 intake, Stainless works long tube header with cats , H pipe and Boral touring exhaust. We tuned the car on dyno and it peaked out 435 hp. It was very loud so decided to reinstall the factory ford exhaust resonator on the spot. Put it back on the dyno and lost...
  4. Smoked 3rd Tailight

    I also need a replacement for my 2015 GT convertible. Looking for link could not locate on CJ Pony Parts.
  5. Headers with gesi cats

    Just removed the cats on my stainless works headers installed in 2016 on my 2015GT with Whipple. Kept getting error codes and not required to have e-checks so they are gone. Cannot really tell any difference in how the cars runs.
  6. Adding a six point roll bar to 2015 GT Convertible

    My 2015 has been set up nice with Whipple, suspense, headers, axels, beadlocks, drag radials. Wanted to do a few test and tune at my local drag strips but they require a six point roll bar on a convertible with supercharger. They assume it will run in the 11's. Looking fro reviews of rollbars...
  7. Dark Horse SC vs Corvette Z06: The better buy?

    Had a 2021 GT500 CFTP and a 2015GT whippled convertible. I love convertibles and the GT500 was a great car but it had a top. Looked at all the performance convertible options and ended up with a 2025 BMW M4 competition convertible. Car cost 115K and I really love driving it. Lots of Tech...
  8. Whipple Intercooler Harness to switch source?

    Slot 62 is the location I installed my harness 5 years ago.
  9. Just order 20x10.5 +35 wheels and looking for tire size recommedations

    You should be good, that is plenty of tire for the front. I ran a set 315 fronts on Ohio/Michigan roads and the wider tires track poorly on rough roads and add rotating mass that you can feel over the 295.
  10. Who Here Still Owns Their First Mustang/Sports Car?

    Have my 2015 GT convertible purchased new. Has 36K miles and never see snow, salt but does get rained on. Last year I got a message from a guy that asked if I had a 1965 Mustang fastback that I sold in 1977. Turns out he remembered buying the car from me when he meant my sister a party. I...
  11. The Dark Horse Isn’t THAT Over Priced

    My local dealer Valley Ford Huron Ohio has a 2025 Dark Horse for $70,450 plus tax. Not sure of the options on this car but check it out if looking.
  12. Tire recommendation for boosted cars??

    How about 305/45/17 tires?
  13. Tire recommendation for boosted cars??

    Installing 305/48/17 MT ET Street R on my 2015 GT with 650 Hp Whipple Tune. Buying new 17" x 11" rims and plan on getting beadlocks. Any issues with running them on the street?
  14. What did you do to your S550 Mustang today?!

    For my 2015 convertible GT. Order a set of 17" x 11" wheels from Signature Wheels to match my current rims. Install Mickey Thompson ET Street drag radials 305/45/17 . Ordered my 3:55 rear pinion and getting ready to pull the 6R80 and take to Richardson Performance for a stage one rebuild. Need...
  15. Tire recommendation for boosted cars??

    Want put on a set of MT ET Street Radials on 17 x 11 rims on my 2015 650hp supercharged mustang. If the rims have a heavy knurled bead area would I need bead locks? Not sure at how low of pressure they are required?
  16. Dyno Tune shop in the Clevleand area

    Looking for a shop that can put my 2015 GT with Whipple on the dyno and clean up so flat spots in my tune. It was tuned a few years ago by the Snake Pit and want to get my hp/tq curves as a baseline. I going to get bead locks with drag radials, maybe get a modified built transmission...
  17. The 10 Fastest Mustangs MotorTrend Has Ever Tested

    If you compare all of the car mag test in the 1/4 for high horsepower rear wheel drive cars they are all over the place. The corvette does so well in drag race comparison being mid engine rear drive. In fairness they test the cars as sold, not enhanced.
  18. Sold my 2015 GT

    Sold my 2015 to a buddy who has wanted a convertible for some time. Did a lot to the car brakes, wheels, suspension, Oil pump gears, header, exhaust, and a whipple. Love the car but wanted a new car for road trips and purchased a BMW M4 competition convertible. It is very similar in size...
  19. Convince me that I’m not making a mistake

    The Gt500 is such a complete package that a lot of very good engineers speced out and designed. IT is a great car and does everything expectational well. A highly modded GT is great also but normally as balanced. The trans in the GT500 puts the car at a higher level and to me, makes the car.
  20. 20x10.5 +35 Rear Fitment Experience?

    Should fit, I run 315r20 -35 on the rear. Looks good and no rubbing but I am stock height. Lowered would not fit.





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