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BMW M3 Turbo experts!


Mike at Maximum PSI co-developed this unit with us, he dyno-tested the protype at 700 rear wheel HP!


FSR Motorsports and Maximum PSI will be stocking these units  also. 

SPA Turbo has one of the widest selections of turbo manifolds in the world, including hard to find applications. From log style to top mount equal runners manifolds, we stock them. We have been providing quality performance components since 1990.

The TMB03T4 Twin scroll turbo manifold is made out of DIN (German Industrial Standard) GGG40 nodular carbon steel. Available in  T4 turbocharger Flange

Wastegate valve must be adapted in the turbine housing.

This application is: BMW E46 body S54 engine 

will also fit in S54 engine swaps