A much lighter car has the ability to perform better under turning. It has 1800 lbs*velocity less momentum still going the direction of the road. In short it takes alot less downforce to get the same ability to turn and hard.
The Y2k is loud because its a bike. No real need to tone it down and even more so no place to put it. In a car you can run the exhaust port out to 10 feet and baffle it.
I disagree on the need for some form of conversion. Yeah it takes a second to spool but I mean the GTR's 1/4 mile is almost ten seconds(9.9) and it terminates the strip at 143.
the Formula 1 has trouble keeping up and in 9 seconds the F16's front wheels are no longer touching thr ground at 9 seconds.
The F-16 is using turbojets which have much higher spool up time. If both cars are allowed to let their engines idle(so you don't cook your turbos and so mine reaches idle) the turboshaft could spool for a full 2 seconds and still tie the GTR. The Y2k clears in 9.8 seconds and it can't even apply full torque without losing traction(too few wheels).
If however you race to the .5 mile the turboshaft is going to get there in an additional 4.5 seconds even if it just maintains its 200+ MPH that it terminated the strip with. The GTR will still be fighting and I'll say that it makes it to 200 mph in .5 mile and it makes it there linearly(it will take alot longer to achieve each mph so the average velocity will be biased towards 143). It takes the GTR another 5.2 seconds and that was assuming the turboshaft doesn't accelerate after it terminates the 1/4.