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

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Stage 2

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

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Stage 3

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

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Stage 4

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

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 Maximum PSI F8X exhaust coming together for Joby's car. #maximized #bimmerclinic #maximumpsi  Got the 60' lower but boost fluctuated in 3rd and 4th. Did a quick check for leaks and can't see any. This is our second pass all day. Cleanup after cleanup on the track.
 Almost ready to make our first elimination pass!  First qualifying run. Trying to revive a set of petrified slicks but it isn't working!

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