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Like the original 1st generation TRD supercharger, these late generation supercharger units are manufactured by Magnuson for Toyota and are a superb option to "bolt-on" some "grunt" in a low maintenance and cost-effective method. The second gen units also carried the TRD logo cast into the redesigned unitized housing just as the first generation while the unitized body design flows and equalizes the delivery much more efficiently than the gen 1 unit, this unit producing 6 psi of boost in all stock form. These later gens no longer sport the TRD badge. The heart of all these units utilize Eaton's mp62 roots type twin 3 blade screws. They are capable of producing up to10 psi of boost with the use of "over-driven" pulleys although it is not recommended to run an overdrive pulley smaller than 2.2" as the MP62 rotor group has a max rpm of 14,000 where the 5vz 3.4 will "over-rev" the unit at sustained high engine RPM with the smaller pulleys, thus causing the light weight alloy rotors to "flex" with the potential to damage the housing and rotor assembly. Usage of the smallest pulleys available (2") will cause this "flex" to occur at lower usable engine RPM ranges and only produce minimal amounts of usable boost over 10 psi as "cavitation" begins thereafter. While over-driving the unit can increase boost, use discretion if considering a "used" supercharger that has been fitted with "overdrive" pulleys! To maximize the use and drive-ability of these units, the use of injectors with a flow rate in the neighborhood of 312 be implemented with the use of a high-flow fuel pump or a fuel pump voltage booster (Kenne Bell 17.5V recommended). No other means of tuning nor "7th injectors" needed. Be advised that the earlier manufactured timing controllers/7th injector add-on units actually introduced a "ping" issue within low RPM cruise and part throttle acceleration that cannot be "tuned-out" without the addition of another $1000 AIC unit from sources like "URD". Earlier manufactured controllers should be considered as "obsolete". Furthermore, the mp62 is not intended for use of aftermarket "injection" systems that introduce anything into the supercharger that must pass through the rotor group. This only leads to premature ware of bearings, seals and the rotor coating and the likely failure due to the corrosive effects of the introduced fuels, again, be cautious when considering "used" units that have been run in this manner. Here's a good example to google of the internal damage caused by the add-ons mentioned here, you can't detect any of this unless you disassemble the unit...take note of the scored housing and rotor condition: 3.4 TRD Supercharger rear bearing removal... Otherwise, these have the potential of many miles of maintenance-free service. Typically, a good used gen 1 will retail somewhere around $1500-$1800 and a gen 2 in the neighborhood of $2300 while the brand new "un-badged" supercharger with complete installation kit retails for $2900-$3200 with a 3-year warranty from MagnusonRead full review
Verified purchase: No
After a year, it still works great, very good power, makes it fun to drive.
Verified purchase: Yes | Condition: New