Maximum PSI Turbo Kits

Stage 1

The Maximum PSI Stage 1 catted turbo kit is the only street legal, factory DME tuned kit available for the E46 M3

Learn more

Stage 2

Stage 2 utilizes similar hardware as Stage 1 but incorporates hardware/software upgrades for even more power on MS109 fuel

Learn more

Stage 3

Stage 3 utilizes the factory DME with a Maximum PSI engine build using forged internals and a larger Precison turbo.

Learn more

Stage 4

Stage 4 upgrades the fuel system from the Stage 3 kit to support more even more power when running MS109.

Learn more

Follow Us on Instagram

   72 red bulls later...
   Preparing to cannonball my turbo E46 to PRI through the night. T minus 1hr. Why not rip out the suspension right before liftoff?

Follow Us on Facebook

profile picture