Sometimes the stock engine your manufacturer thought was perfectly fine in your car is just not good enough. Well, for some people that is. This is a list of the extremes and the awesome

Fiat 500 Lamborghini V12 580 hp

Bmw M3 E46 with S85 M5 V10 Engine Exhaust Bypass Valve From Driftworks

https://www.youtube.com/watch?v=09RRavdW3C0

 

Twin engine Jetta VR6 + W8 video

https://www.youtube.com/watch?v=lRxpJ6Vh9Bg

 

Subaru Impreza (M5 v10) drifting

 

Lamborghini motor custom motorcycle build