All it needs is a 9,000 RPM 6.4 liter twin-turbo V-12.

@Phoenixflambe  
I thought they did.

XP

To be fair, Rarity, Rainbow Dash and Applejack would’ve preferred to participate themselves.

The episode would’ve been better if this was in it

@Zaknel  
But what if… Twiggles is the younger one!  

This isn’t right. Isn’t the younger pony supposed to drive?

She could have brought Spike.

If Twilight built a serious race car it would be like a Lexus LFA: obsessively engineered and practically out of character.

Twi: Besides, I am a mother bucking Princess! I do what I want!

Seems legit.

I wonder if Cirrus Light has seen this picture. He’s a physics brony.

Twilight: Don’t make me drag you to the castle for questioning

Twilight: You won’t take this from us Cheerilee. I wasn’t allowed to participate in the derby in Canterlot because my design specs were confiscated by Celestia for <redacted>.  
Starlight: And I was busy plotting my revenge against Cutie Marks and thus missed my chance to build one.

Don’t question Science, Cheerilee.

“She’s like a daughter to me, now.”