Maximum PSI Turbo Kits

Stage 1

stage2
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

stage3
Stage 3 utilizes the factory DME with a Maximum PSI engine build using forged internals and a larger Precison turbo.

Learn more

Stage 4

stage4
Stage 4 upgrades numerous components from Stage 3.  S4 allows you to do a burnout from corner exit to corner entry.

Learn more

Follow Us on Instagram


 Ratchet Friday  Second place. 2step didn't turn on and I bogged!
 Sure beats yard work!  Staying alive!

Follow Us on Facebook