BorgWarner's 67mm S400SX FMW turbocharger is one of the most impressive 67mm turbos available. This unusually high power design pairs a 91mm OD FMW compressor wheel (forged billet, similar to EFR) with an ultra high flowing 83mm S400SX turbine wheel and 1.10 a/r (upgrade to 1.25 a/r available for 35+psi boost). This combination provides huge exhaust flow energy without restriction It shares identical fitments to the GT42R and S372R setups (bolt-on for a twinscroll T4 manifold and 4" downpipe).
The compressor stage starts with a ported shroud housing, including integrated velocity stack. Compressor wheel is BorgWarner's "FMW" forged-milled-wheel (AKA forged-billet) and uses the latest generation blade aero to reach ~94 lb/min max compressor flow. This is a journal bearing oil cooled only turbocharger ideally suited to competitive drag racing. |
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