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BNR S2 Turbo Kit Mazdaspeed 3 2007-2013 | Mazdaspeed 6 2006-2007
The S2 has the same inlet diameter as stock (2.25”). Only things you will need to modify is relocation of the boost control solinoid.
It’s a direct bolt in capable of 40 lbs/min of air flow. The benefit with the S2 over the S1 is added response and mid range from the larger A/R ratio of the compressor housing and an upgraded wastegate actuator. Peak power stays the same. This is what you get when you order an S2!
GT28 Turbine wheel
BNR’s custom GT2860 compressor wheel (40 lbs/min flow rate)
High Performance 360 thrust assembly
Wide journal bearings
Rear journal bearing oil deflector (Diverts oil away from the turbine seal)
High Performance turbine seal
Balanced and blue printed to .5 gram/in2
BNR’s custom T2 bearing housing (uses all OE oil and water fittings)
BNR compressor housing
BNR .63 a/r turbine housing with 27mm wastegate port
Upgraded wastegate actuator (set at 13 psi)
All stainless hardware
5 Layer stainless MLS turbine inlet/outlet gaskets
(9) M10 1.5 exhaust studs
Extended stainless water line (firewall side)
(4) 14mm copper sealing rings
1 year warranty!
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