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My butt dyno isn't happy with the top end power I am seeing in long straights at the track. Above 90mph, the acceleration is not what I would expect from 711hp/658tq. Heat soak? Too high expectations? I do see CHT around 235-240F. I pull off the track at 244+ Appreciate any insights.

I'm looking for an OEM PP1 splitter, or equivalent, or one that is compatible (flush) to allow the APR splitter to be attached below. https://shop.aprperformance.com/products/ford-mustang-front-wind-splitter-2018-up The OEM parts store want crazy shipping charges, so looking for an alternate...

Looking for recommendations so I can make videos of driving (15-30mins) and also be aware of the local emergency services. Does one exist?

The first time I have seen louvers fill up the non-functional versions. I recall this being discussed more than once on the forums and I am personally very interested. Anyone tried them? Otherwise FYI...

I had several leaks of coolant during track days and I can't get this stuff off. It is on plastic, metal and rubber parts. I assume an engine degreaser would do the trick, but looking for tips.

I completed the RTR spec upgrades with the wide body kit and forged aero 7 wheels in custom white powder coated finish. The work was done at the RTR lab in nearby Concord, NC. I absolutely love how it came out, complete with purple accent finishes. The car started life as a spec 1, so its gone...

I'm looking for guidance to reduce the risk of heat soak on my '21 Roush SC. Primarily for track days. Roughly 6 times per year. There are multiple options: https://icchiller.com/product/2020-mustang-gt-pnp-supercharger-intercooler-chiller-street-track/...

This may work for other states too (check your local laws) I was able to obtain a waiver for my emissions test failure due to "not ready" status. To cut a long story short, after tune and headers, the catalyst and 02 sensors would not ready up, despite driving cycles and replacing 02 sensors...

I have been trying to figure out how to fix this problem, but I am out of ideas. I cannot pass emissions testing in my county without the smog sensors active, yet they refuse to 'ready' up. I have driven the car a few hundred miles, tried 02 spacers on the downstream sensors and had it in my...

Interested in making this upgrade and have no skin in the game in terms of brand. Anyone have any ideas why the pricepoints are vastly different? Steeda - $1500 https://www.steeda.com/steeda-555-5061-s550-road-race-k-member BMR - $700...

I am looking to upgrade my non-pp to get the benefits of the brake cooling (pp LCAs/bellypan) Thank you James

I am also wondering if anyone has put in the hood side louvers over/In place of the stock hood vents. I'm not sure I like them sitting behind,

After my first track day, my brakes seem to be the weakest link. I have stock components all around. What would be your advice on upgrades? Rotors/Calipers/Pads. I'm happy to save and go all in to upgrade all these components, but if there is a cheaper option (i.e. just pads and upgraded brake...

With red stitching. Never used. Free shipping to the lower 48. Zelle or Venmo.

I keep reading that FI can negatively effect cats, even high flow cats. Most people say to take them out altogether. What I don't understand is that other platforms use cats without any 'obvious' issues: - Saleen/Roush/Shelby S/C Mustangs - you can throw in F150s for that matter - GT500 -...

https://www.boombaracing.com/s550-mustang-short-throw-shifter/ https://www.boombaracing.com/mustang-shifter-removal-tool/ recommended as a rental tool, but not absolutely necessary Install: Not straightforward. The first thing I noted was that some fool had secured my RTR shift knob with a...

I'm looking to upgrade the headers for that extra bit of power and decibels. The work will be done at a local shop (TBD) While upgrading, are there any other parts to add on? I am thinking: - Aluminum driveshaft - Oil pump gears I'm running the Roush stage 2 SC and other other stuff in my...

Went into my dealership today to buy out the lease on my 2020 Explorer ST. The crooks added a $500 dollar mark up, a $895 doc fee and a $300 state inspection. I told them where they could stick it. Their explanation was that all dealerships put mark up on lease buy outs; not true btw...

Is there such a thing? I get tuning for drag racing, but are there tunes that make adjustments for track racing. I have a stick. Thanks!

I want to pick up the GT350 steering wheel, but am confused by many of the listings that appear to include the buttons or not. I don't mind transferring my stock buttons over to the new wheel, but I would welcome having them as part of the wheel. If you have bought the GT350 wheel with or...