BNR’s largest turbocharger is available for purchase for the Speeds! The S6 has a 3.5” compressor inlet and works with a 3.5” or larger intake pipe (same casting as S4/5). All the tuners like using an aftermarket boost control going to your 44-46mm v band style wastegate! The S6’s point milled, billet compressor wheel is rated for 75 lb/min air flow and is the larger of the 76mm Garrett compressor wheels with a 58mm inducer and 76mm exducer with a 3mm compressor tip height extension. Our S6 comes with a .82 a/r turbine housing with 44mm external wastegate flange!
This turbocharger on a forged engine with ported stock intake gets 20 psi by 3600-3700 RPM. Axillary port injection is needed to go higher than stock fuel limitation (370 WHP). The S6 has the capabilities for 650+ WHP!
- Mazdaspeed 3/Mazdaspeed 6