This is where you will find upgraded turbochargers that make more boost and can handle higher power levels. If your stock turbos are worn, it is a perfect time to look into upgrading the factory snails with something larger.
The FrankenTurbo F660 upgrade allows for more aggressive ignition timing, providing a safer and more reliable power increase for tuned 4-series applications.
The FrankenTurbo F825 is an extreme-tier hybrid upgrade that delivers "big turbo" power levels up to 680+ whp while maintaining a 100% bolt-on, twin-scroll design compatible with the factory electronic wastegate.
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The F800 Hybrid Turbocharger addresses the volumetric efficiency limitations of the F3x platform by increasing the flow capacity of both the intake and exhaust sides of the turbocharger.
The F650 "Super-Hybrid" provides F3X owners with a bolt-on path to 600+ horsepower while maintaining the twin-scroll responsiveness the N55 is known for.
