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2020 RS3 here with a smaller pulley and tune. It can be done.

I bought my 2020 RS3 two years ago with 3k miles for 65k from a Dodge dealership. They need to come down some. I haggled with three different listings around the country and got the one I really wanted cheapest by having them play off the others.

Ok, finally installed the Kooks offroad headers. The bad is it's every bit of loud as I thought it would be with the Roush active exhaust open. The really bad is that it sounds awful with the exhaust closed. There's a rasp at 2-3k, right before it shifts, that's cringy. I'm shopping mid...

About to pull the trigger on Kooks catless LTH to easy my mind about cat failure with the supercharger. Would the Magnaflow midpipe muffler have the same problem as the cats, with the baffling coming apart, or will it being further back mean the gases will be cool enough not to be a problem...

Good to know the stock system can handle the power. I would like to keep the active system. The other question I have is can the stock, or another active exhaust system, be put in place and have the Roush knob work it? I don't have active exhaust options in my on-screen menu, though I suppose...

I have a 2020 Roush Stage 3 with the Roush active exhaust system. Currently, it's quiet yet tinny when closed, and loud AF when fully open. I am worried about the common problem with supercharged cars blowing cats and am contemplating catless headers. I see people are still having issues with...

It would make sense, but I know I turned both off, just like I would have done in my 2016 manual. Maybe there's something wrong and it doesn't really disengage . I will do some testing on a warm day.

Yes, I was in drag strip mode and am running the stock Continental ExtremeContact Sport tires. I wasn't spinning, this was like the car just died and then sprung back to life. I was easing into it and tried varying amounts of "easing" to see if I could stop the dying. I haven't really tried...

I sold my 2016 PP and bought a 2020 Roush RS3 automatic. I took my 16 to the track a couple of times and never really had an issue with it launching, so long as the nannies were turned off. I took the Roush to the track once before it got too cool. I turned the nannies off on the Roush and...

My hood has the infamous rust on the front edge. Looking for a rustless deep impact blue hood for a 2016 GT. Don't know if 2015 and 2017 will allow swapping in the worthless blinker lights from my 2016, but I'd like to keep them since it makes the 2016 unique. Thanks

I returned to stock tune and then reflashed the e85. It feels much better driving and the AFR now moves instead of being a static 9.8. I've logged and will send to the tuner to see what they think. Fingers crossed.

Sorry, That would be a handy bit of information. I have a X4.

what is the procedure for applying the stock tune and then reloading e85? Leave car off or crank it after going back stock tune?

I would need a tune. I only have a stock tune, e85 w imrc, e85 wo imrc.

I used the Lethal pigtails to make them work.

I'll prefix this with I'm a moron when it comes to cars. I know enough to be extremely dangerous but I like to tinker and I know the only way to learn is to make mistakes. I've made a mistake somewhere and my lack of knowledge and experience is showing. My car is a 2016 GT that I recently...

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mine if you still have it and willing to ship.

Thanks for any help... I have a 2016 GT Premium PP with the security package. My console lid the other day just stopped opening. I can use a piece of hard cardboard and push it down in the crack and force the latch open. When open the tabs on the lid do not depress. I don't know if the...